Home / 885,505.28-1,221,947.52-503,624.96

Finding the Fourth Proportional to 885,505.28, 1,221,947.52 and 503,624.96

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Solution

The fourth proportional to 885,505.28, 1,221,947.52 and 503,624.96 is: 694,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,505.28 : 1,221,947.52 = 503,624.96 : x
  2. Step 2: Convert to fraction form
    885,505.28/1,221,947.52 = 503,624.96/x
  3. Step 3: Cross multiply
    885,505.28x = 1,221,947.52 × 503,624.96
  4. Step 4: Simplify right side
    885,505.28x = 615,403,270,882.10
  5. Step 5: Solve for x
    x = 615,403,270,882.10/885,505.28
  6. Step 6: Final answer
    x = 694,974.14

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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.