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Finding the Fourth Proportional to 438,753.54, 658,339.31 and 304,025.40

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Solution

The fourth proportional to 438,753.54, 658,339.31 and 304,025.40 is: 456,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,753.54 : 658,339.31 = 304,025.40 : x
  2. Step 2: Convert to fraction form
    438,753.54/658,339.31 = 304,025.40/x
  3. Step 3: Cross multiply
    438,753.54x = 658,339.31 × 304,025.40
  4. Step 4: Simplify right side
    438,753.54x = 200,151,872,818.54
  5. Step 5: Solve for x
    x = 200,151,872,818.54/438,753.54
  6. Step 6: Final answer
    x = 456,182.92

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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.