Home / 479,624.64-661,882.11-264,764.85

Finding the Fourth Proportional to 479,624.64, 661,882.11 and 264,764.85

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Solution

The fourth proportional to 479,624.64, 661,882.11 and 264,764.85 is: 365,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,624.64 : 661,882.11 = 264,764.85 : x
  2. Step 2: Convert to fraction form
    479,624.64/661,882.11 = 264,764.85/x
  3. Step 3: Cross multiply
    479,624.64x = 661,882.11 × 264,764.85
  4. Step 4: Simplify right side
    479,624.64x = 175,243,117,571.83
  5. Step 5: Solve for x
    x = 175,243,117,571.83/479,624.64
  6. Step 6: Final answer
    x = 365,375.55

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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.