Home / 834,420.30-1,251,630.45-502,644.30

Finding the Fourth Proportional to 834,420.30, 1,251,630.45 and 502,644.30

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Solution

The fourth proportional to 834,420.30, 1,251,630.45 and 502,644.30 is: 753,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,420.30 : 1,251,630.45 = 502,644.30 : x
  2. Step 2: Convert to fraction form
    834,420.30/1,251,630.45 = 502,644.30/x
  3. Step 3: Cross multiply
    834,420.30x = 1,251,630.45 × 502,644.30
  4. Step 4: Simplify right side
    834,420.30x = 629,124,911,398.94
  5. Step 5: Solve for x
    x = 629,124,911,398.94/834,420.30
  6. Step 6: Final answer
    x = 753,966.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 834,421.30, 1,251,631.95 and 502,645.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.