Home / 694,712.80-1,042,069.20-251,423.20

Finding the Fourth Proportional to 694,712.80, 1,042,069.20 and 251,423.20

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Solution

The fourth proportional to 694,712.80, 1,042,069.20 and 251,423.20 is: 377,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,712.80 : 1,042,069.20 = 251,423.20 : x
  2. Step 2: Convert to fraction form
    694,712.80/1,042,069.20 = 251,423.20/x
  3. Step 3: Cross multiply
    694,712.80x = 1,042,069.20 × 251,423.20
  4. Step 4: Simplify right side
    694,712.80x = 262,000,372,885.44
  5. Step 5: Solve for x
    x = 262,000,372,885.44/694,712.80
  6. Step 6: Final answer
    x = 377,134.80

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Double scale
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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.