Home / 762,291.55-1,141,912.86-458,517.93

Finding the Fourth Proportional to 762,291.55, 1,141,912.86 and 458,517.93

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Solution

The fourth proportional to 762,291.55, 1,141,912.86 and 458,517.93 is: 686,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,291.55 : 1,141,912.86 = 458,517.93 : x
  2. Step 2: Convert to fraction form
    762,291.55/1,141,912.86 = 458,517.93/x
  3. Step 3: Cross multiply
    762,291.55x = 1,141,912.86 × 458,517.93
  4. Step 4: Simplify right side
    762,291.55x = 523,587,520,807.58
  5. Step 5: Solve for x
    x = 523,587,520,807.58/762,291.55
  6. Step 6: Final answer
    x = 686,859.93

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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.