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Finding the Fourth Proportional to 435,016.60, 654,080.10 and 366,587.80

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Solution

The fourth proportional to 435,016.60, 654,080.10 and 366,587.80 is: 551,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,016.60 : 654,080.10 = 366,587.80 : x
  2. Step 2: Convert to fraction form
    435,016.60/654,080.10 = 366,587.80/x
  3. Step 3: Cross multiply
    435,016.60x = 654,080.10 × 366,587.80
  4. Step 4: Simplify right side
    435,016.60x = 239,777,784,882.78
  5. Step 5: Solve for x
    x = 239,777,784,882.78/435,016.60
  6. Step 6: Final answer
    x = 551,192.26

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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.