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Finding the Fourth Proportional to 532,174.46, 798,495.42 and 279,396.22

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Solution

The fourth proportional to 532,174.46, 798,495.42 and 279,396.22 is: 419,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,174.46 : 798,495.42 = 279,396.22 : x
  2. Step 2: Convert to fraction form
    532,174.46/798,495.42 = 279,396.22/x
  3. Step 3: Cross multiply
    532,174.46x = 798,495.42 × 279,396.22
  4. Step 4: Simplify right side
    532,174.46x = 223,096,602,035.31
  5. Step 5: Solve for x
    x = 223,096,602,035.31/532,174.46
  6. Step 6: Final answer
    x = 419,217.04

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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.