Home / 908,127.08-1,253,215.40-500,227.68

Finding the Fourth Proportional to 908,127.08, 1,253,215.40 and 500,227.68

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Solution

The fourth proportional to 908,127.08, 1,253,215.40 and 500,227.68 is: 690,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,127.08 : 1,253,215.40 = 500,227.68 : x
  2. Step 2: Convert to fraction form
    908,127.08/1,253,215.40 = 500,227.68/x
  3. Step 3: Cross multiply
    908,127.08x = 1,253,215.40 × 500,227.68
  4. Step 4: Simplify right side
    908,127.08x = 626,893,029,581.13
  5. Step 5: Solve for x
    x = 626,893,029,581.13/908,127.08
  6. Step 6: Final answer
    x = 690,314.22

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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.