Home / 478,304.20-660,064.26-263,445.04

Finding the Fourth Proportional to 478,304.20, 660,064.26 and 263,445.04

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Solution

The fourth proportional to 478,304.20, 660,064.26 and 263,445.04 is: 363,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,304.20 : 660,064.26 = 263,445.04 : x
  2. Step 2: Convert to fraction form
    478,304.20/660,064.26 = 263,445.04/x
  3. Step 3: Cross multiply
    478,304.20x = 660,064.26 × 263,445.04
  4. Step 4: Simplify right side
    478,304.20x = 173,890,655,378.27
  5. Step 5: Solve for x
    x = 173,890,655,378.27/478,304.20
  6. Step 6: Final answer
    x = 363,556.61

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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.