Home / 908,593.73-1,253,867.64-500,710.21

Finding the Fourth Proportional to 908,593.73, 1,253,867.64 and 500,710.21

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Solution

The fourth proportional to 908,593.73, 1,253,867.64 and 500,710.21 is: 690,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,593.73 : 1,253,867.64 = 500,710.21 : x
  2. Step 2: Convert to fraction form
    908,593.73/1,253,867.64 = 500,710.21/x
  3. Step 3: Cross multiply
    908,593.73x = 1,253,867.64 × 500,710.21
  4. Step 4: Simplify right side
    908,593.73x = 627,824,323,067.27
  5. Step 5: Solve for x
    x = 627,824,323,067.27/908,593.73
  6. Step 6: Final answer
    x = 690,984.65

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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.