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Finding the Fourth Proportional to 604,665.80, 907,697.10 and 324,729.80

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Solution

The fourth proportional to 604,665.80, 907,697.10 and 324,729.80 is: 487,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,665.80 : 907,697.10 = 324,729.80 : x
  2. Step 2: Convert to fraction form
    604,665.80/907,697.10 = 324,729.80/x
  3. Step 3: Cross multiply
    604,665.80x = 907,697.10 × 324,729.80
  4. Step 4: Simplify right side
    604,665.80x = 294,756,297,743.58
  5. Step 5: Solve for x
    x = 294,756,297,743.58/604,665.80
  6. Step 6: Final answer
    x = 487,469.77

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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.