Home / 801,000.10-1,201,500.15-502,401.70

Finding the Fourth Proportional to 801,000.10, 1,201,500.15 and 502,401.70

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Solution

The fourth proportional to 801,000.10, 1,201,500.15 and 502,401.70 is: 753,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,000.10 : 1,201,500.15 = 502,401.70 : x
  2. Step 2: Convert to fraction form
    801,000.10/1,201,500.15 = 502,401.70/x
  3. Step 3: Cross multiply
    801,000.10x = 1,201,500.15 × 502,401.70
  4. Step 4: Simplify right side
    801,000.10x = 603,635,717,910.26
  5. Step 5: Solve for x
    x = 603,635,717,910.26/801,000.10
  6. Step 6: Final answer
    x = 753,602.55

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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.