Home / 762,433.16-1,142,125.11-458,659.87

Finding the Fourth Proportional to 762,433.16, 1,142,125.11 and 458,659.87

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Solution

The fourth proportional to 762,433.16, 1,142,125.11 and 458,659.87 is: 687,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,433.16 : 1,142,125.11 = 458,659.87 : x
  2. Step 2: Convert to fraction form
    762,433.16/1,142,125.11 = 458,659.87/x
  3. Step 3: Cross multiply
    762,433.16x = 1,142,125.11 × 458,659.87
  4. Step 4: Simplify right side
    762,433.16x = 523,846,951,621.02
  5. Step 5: Solve for x
    x = 523,846,951,621.02/762,433.16
  6. Step 6: Final answer
    x = 687,072.63

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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.