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Finding the Fourth Proportional to 478,247.70, 660,053.58 and 363,337.25

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Solution

The fourth proportional to 478,247.70, 660,053.58 and 363,337.25 is: 501,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,247.70 : 660,053.58 = 363,337.25 : x
  2. Step 2: Convert to fraction form
    478,247.70/660,053.58 = 363,337.25/x
  3. Step 3: Cross multiply
    478,247.70x = 660,053.58 × 363,337.25
  4. Step 4: Simplify right side
    478,247.70x = 239,822,053,351.65
  5. Step 5: Solve for x
    x = 239,822,053,351.65/478,247.70
  6. Step 6: Final answer
    x = 501,459.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.