Home / 834,487.77-1,251,956.34-429,459.33

Finding the Fourth Proportional to 834,487.77, 1,251,956.34 and 429,459.33

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Solution

The fourth proportional to 834,487.77, 1,251,956.34 and 429,459.33 is: 644,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,487.77 : 1,251,956.34 = 429,459.33 : x
  2. Step 2: Convert to fraction form
    834,487.77/1,251,956.34 = 429,459.33/x
  3. Step 3: Cross multiply
    834,487.77x = 1,251,956.34 × 429,459.33
  4. Step 4: Simplify right side
    834,487.77x = 537,664,330,965.65
  5. Step 5: Solve for x
    x = 537,664,330,965.65/834,487.77
  6. Step 6: Final answer
    x = 644,304.63

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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.