Home / 908,573.38-1,253,814.03-500,712.91

Finding the Fourth Proportional to 908,573.38, 1,253,814.03 and 500,712.91

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Solution

The fourth proportional to 908,573.38, 1,253,814.03 and 500,712.91 is: 690,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,573.38 : 1,253,814.03 = 500,712.91 : x
  2. Step 2: Convert to fraction form
    908,573.38/1,253,814.03 = 500,712.91/x
  3. Step 3: Cross multiply
    908,573.38x = 1,253,814.03 × 500,712.91
  4. Step 4: Simplify right side
    908,573.38x = 627,800,871,560.13
  5. Step 5: Solve for x
    x = 627,800,871,560.13/908,573.38
  6. Step 6: Final answer
    x = 690,974.32

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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.