Home / 653,815.28-902,258.92-363,419.24

Finding the Fourth Proportional to 653,815.28, 902,258.92 and 363,419.24

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Solution

The fourth proportional to 653,815.28, 902,258.92 and 363,419.24 is: 501,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,815.28 : 902,258.92 = 363,419.24 : x
  2. Step 2: Convert to fraction form
    653,815.28/902,258.92 = 363,419.24/x
  3. Step 3: Cross multiply
    653,815.28x = 902,258.92 × 363,419.24
  4. Step 4: Simplify right side
    653,815.28x = 327,898,250,989.62
  5. Step 5: Solve for x
    x = 327,898,250,989.62/653,815.28
  6. Step 6: Final answer
    x = 501,515.12

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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.