Home / 478,785.26-660,728.04-263,932.94

Finding the Fourth Proportional to 478,785.26, 660,728.04 and 263,932.94

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Solution

The fourth proportional to 478,785.26, 660,728.04 and 263,932.94 is: 364,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,785.26 : 660,728.04 = 263,932.94 : x
  2. Step 2: Convert to fraction form
    478,785.26/660,728.04 = 263,932.94/x
  3. Step 3: Cross multiply
    478,785.26x = 660,728.04 × 263,932.94
  4. Step 4: Simplify right side
    478,785.26x = 174,387,894,137.64
  5. Step 5: Solve for x
    x = 174,387,894,137.64/478,785.26
  6. Step 6: Final answer
    x = 364,229.87

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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.