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Finding the Fourth Proportional to 417,040.65, 625,560.84 and 360,713.32

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Solution

The fourth proportional to 417,040.65, 625,560.84 and 360,713.32 is: 541,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,040.65 : 625,560.84 = 360,713.32 : x
  2. Step 2: Convert to fraction form
    417,040.65/625,560.84 = 360,713.32/x
  3. Step 3: Cross multiply
    417,040.65x = 625,560.84 × 360,713.32
  4. Step 4: Simplify right side
    417,040.65x = 225,648,125,894.49
  5. Step 5: Solve for x
    x = 225,648,125,894.49/417,040.65
  6. Step 6: Final answer
    x = 541,069.86

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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.