Home / 479,968.06-720,059.45-180,451.23

Finding the Fourth Proportional to 479,968.06, 720,059.45 and 180,451.23

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Solution

The fourth proportional to 479,968.06, 720,059.45 and 180,451.23 is: 270,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,968.06 : 720,059.45 = 180,451.23 : x
  2. Step 2: Convert to fraction form
    479,968.06/720,059.45 = 180,451.23/x
  3. Step 3: Cross multiply
    479,968.06x = 720,059.45 × 180,451.23
  4. Step 4: Simplify right side
    479,968.06x = 129,935,613,425.62
  5. Step 5: Solve for x
    x = 129,935,613,425.62/479,968.06
  6. Step 6: Final answer
    x = 270,717.21

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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.