Home / 440,733.56-661,287.11-240,820.38

Finding the Fourth Proportional to 440,733.56, 661,287.11 and 240,820.38

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Solution

The fourth proportional to 440,733.56, 661,287.11 and 240,820.38 is: 361,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,733.56 : 661,287.11 = 240,820.38 : x
  2. Step 2: Convert to fraction form
    440,733.56/661,287.11 = 240,820.38/x
  3. Step 3: Cross multiply
    440,733.56x = 661,287.11 × 240,820.38
  4. Step 4: Simplify right side
    440,733.56x = 159,251,411,915.20
  5. Step 5: Solve for x
    x = 159,251,411,915.20/440,733.56
  6. Step 6: Final answer
    x = 361,332.62

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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.