Home / 908,561.29-1,253,822.97-500,677.72

Finding the Fourth Proportional to 908,561.29, 1,253,822.97 and 500,677.72

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Solution

The fourth proportional to 908,561.29, 1,253,822.97 and 500,677.72 is: 690,939.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,561.29 : 1,253,822.97 = 500,677.72 : x
  2. Step 2: Convert to fraction form
    908,561.29/1,253,822.97 = 500,677.72/x
  3. Step 3: Cross multiply
    908,561.29x = 1,253,822.97 × 500,677.72
  4. Step 4: Simplify right side
    908,561.29x = 627,761,225,903.23
  5. Step 5: Solve for x
    x = 627,761,225,903.23/908,561.29
  6. Step 6: Final answer
    x = 690,939.88

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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.