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Finding the Fourth Proportional to 604,375.80, 907,262.10 and 324,439.80

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Solution

The fourth proportional to 604,375.80, 907,262.10 and 324,439.80 is: 487,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,375.80 : 907,262.10 = 324,439.80 : x
  2. Step 2: Convert to fraction form
    604,375.80/907,262.10 = 324,439.80/x
  3. Step 3: Cross multiply
    604,375.80x = 907,262.10 × 324,439.80
  4. Step 4: Simplify right side
    604,375.80x = 294,351,934,271.58
  5. Step 5: Solve for x
    x = 294,351,934,271.58/604,375.80
  6. Step 6: Final answer
    x = 487,034.61

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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.