Home / 908,678.24-1,253,984.56-500,794.96

Finding the Fourth Proportional to 908,678.24, 1,253,984.56 and 500,794.96

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Solution

The fourth proportional to 908,678.24, 1,253,984.56 and 500,794.96 is: 691,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,678.24 : 1,253,984.56 = 500,794.96 : x
  2. Step 2: Convert to fraction form
    908,678.24/1,253,984.56 = 500,794.96/x
  3. Step 3: Cross multiply
    908,678.24x = 1,253,984.56 × 500,794.96
  4. Step 4: Simplify right side
    908,678.24x = 627,989,147,565.82
  5. Step 5: Solve for x
    x = 627,989,147,565.82/908,678.24
  6. Step 6: Final answer
    x = 691,101.78

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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.