Home / 791,536.40-1,188,082.20-392,627.60

Finding the Fourth Proportional to 791,536.40, 1,188,082.20 and 392,627.60

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Solution

The fourth proportional to 791,536.40, 1,188,082.20 and 392,627.60 is: 589,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,536.40 : 1,188,082.20 = 392,627.60 : x
  2. Step 2: Convert to fraction form
    791,536.40/1,188,082.20 = 392,627.60/x
  3. Step 3: Cross multiply
    791,536.40x = 1,188,082.20 × 392,627.60
  4. Step 4: Simplify right side
    791,536.40x = 466,473,862,788.72
  5. Step 5: Solve for x
    x = 466,473,862,788.72/791,536.40
  6. Step 6: Final answer
    x = 589,327.11

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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.