Home / 800,073.38-1,103,581.02-513,138.98

Finding the Fourth Proportional to 800,073.38, 1,103,581.02 and 513,138.98

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Solution

The fourth proportional to 800,073.38, 1,103,581.02 and 513,138.98 is: 707,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,073.38 : 1,103,581.02 = 513,138.98 : x
  2. Step 2: Convert to fraction form
    800,073.38/1,103,581.02 = 513,138.98/x
  3. Step 3: Cross multiply
    800,073.38x = 1,103,581.02 × 513,138.98
  4. Step 4: Simplify right side
    800,073.38x = 566,290,438,950.16
  5. Step 5: Solve for x
    x = 566,290,438,950.16/800,073.38
  6. Step 6: Final answer
    x = 707,798.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.