Home / 625,534.20-938,082.60-325,915.20

Finding the Fourth Proportional to 625,534.20, 938,082.60 and 325,915.20

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Solution

The fourth proportional to 625,534.20, 938,082.60 and 325,915.20 is: 488,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,534.20 : 938,082.60 = 325,915.20 : x
  2. Step 2: Convert to fraction form
    625,534.20/938,082.60 = 325,915.20/x
  3. Step 3: Cross multiply
    625,534.20x = 938,082.60 × 325,915.20
  4. Step 4: Simplify right side
    625,534.20x = 305,735,378,195.52
  5. Step 5: Solve for x
    x = 305,735,378,195.52/625,534.20
  6. Step 6: Final answer
    x = 488,758.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.