Home / 527,872.48-791,821.68-172,872.16

Finding the Fourth Proportional to 527,872.48, 791,821.68 and 172,872.16

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Solution

The fourth proportional to 527,872.48, 791,821.68 and 172,872.16 is: 259,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,872.48 : 791,821.68 = 172,872.16 : x
  2. Step 2: Convert to fraction form
    527,872.48/791,821.68 = 172,872.16/x
  3. Step 3: Cross multiply
    527,872.48x = 791,821.68 × 172,872.16
  4. Step 4: Simplify right side
    527,872.48x = 136,883,921,528.60
  5. Step 5: Solve for x
    x = 136,883,921,528.60/527,872.48
  6. Step 6: Final answer
    x = 259,312.48

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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.