Home / 801,426.30-1,202,139.45-533,300.10

Finding the Fourth Proportional to 801,426.30, 1,202,139.45 and 533,300.10

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Solution

The fourth proportional to 801,426.30, 1,202,139.45 and 533,300.10 is: 799,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,426.30 : 1,202,139.45 = 533,300.10 : x
  2. Step 2: Convert to fraction form
    801,426.30/1,202,139.45 = 533,300.10/x
  3. Step 3: Cross multiply
    801,426.30x = 1,202,139.45 × 533,300.10
  4. Step 4: Simplify right side
    801,426.30x = 641,101,088,898.95
  5. Step 5: Solve for x
    x = 641,101,088,898.95/801,426.30
  6. Step 6: Final answer
    x = 799,950.15

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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.