Home / 580,008.32-799,949.76-479,231.36

Finding the Fourth Proportional to 580,008.32, 799,949.76 and 479,231.36

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Solution

The fourth proportional to 580,008.32, 799,949.76 and 479,231.36 is: 660,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,008.32 : 799,949.76 = 479,231.36 : x
  2. Step 2: Convert to fraction form
    580,008.32/799,949.76 = 479,231.36/x
  3. Step 3: Cross multiply
    580,008.32x = 799,949.76 × 479,231.36
  4. Step 4: Simplify right side
    580,008.32x = 383,361,011,416.47
  5. Step 5: Solve for x
    x = 383,361,011,416.47/580,008.32
  6. Step 6: Final answer
    x = 660,957.78

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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.