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Finding the Fourth Proportional to 417,025.13, 625,537.69 and 360,697.92

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Solution

The fourth proportional to 417,025.13, 625,537.69 and 360,697.92 is: 541,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,025.13 : 625,537.69 = 360,697.92 : x
  2. Step 2: Convert to fraction form
    417,025.13/625,537.69 = 360,697.92/x
  3. Step 3: Cross multiply
    417,025.13x = 625,537.69 × 360,697.92
  4. Step 4: Simplify right side
    417,025.13x = 225,630,143,664.61
  5. Step 5: Solve for x
    x = 225,630,143,664.61/417,025.13
  6. Step 6: Final answer
    x = 541,046.88

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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.