Home / 523,217.30-721,846.13-329,573.03

Finding the Fourth Proportional to 523,217.30, 721,846.13 and 329,573.03

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Solution

The fourth proportional to 523,217.30, 721,846.13 and 329,573.03 is: 454,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,217.30 : 721,846.13 = 329,573.03 : x
  2. Step 2: Convert to fraction form
    523,217.30/721,846.13 = 329,573.03/x
  3. Step 3: Cross multiply
    523,217.30x = 721,846.13 × 329,573.03
  4. Step 4: Simplify right side
    523,217.30x = 237,901,011,000.78
  5. Step 5: Solve for x
    x = 237,901,011,000.78/523,217.30
  6. Step 6: Final answer
    x = 454,688.74

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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.