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Finding the Fourth Proportional to 478,932.04, 660,578.82 and 325,697.86

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Solution

The fourth proportional to 478,932.04, 660,578.82 and 325,697.86 is: 449,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,932.04 : 660,578.82 = 325,697.86 : x
  2. Step 2: Convert to fraction form
    478,932.04/660,578.82 = 325,697.86/x
  3. Step 3: Cross multiply
    478,932.04x = 660,578.82 × 325,697.86
  4. Step 4: Simplify right side
    478,932.04x = 215,149,108,035.33
  5. Step 5: Solve for x
    x = 215,149,108,035.33/478,932.04
  6. Step 6: Final answer
    x = 449,226.80

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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.