Home / 479,330.53-718,899.20-175,621.24

Finding the Fourth Proportional to 479,330.53, 718,899.20 and 175,621.24

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Solution

The fourth proportional to 479,330.53, 718,899.20 and 175,621.24 is: 263,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,330.53 : 718,899.20 = 175,621.24 : x
  2. Step 2: Convert to fraction form
    479,330.53/718,899.20 = 175,621.24/x
  3. Step 3: Cross multiply
    479,330.53x = 718,899.20 × 175,621.24
  4. Step 4: Simplify right side
    479,330.53x = 126,253,968,060.90
  5. Step 5: Solve for x
    x = 126,253,968,060.90/479,330.53
  6. Step 6: Final answer
    x = 263,396.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.