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Finding the Fourth Proportional to 440,160.60, 660,240.90 and 437,536.20

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Solution

The fourth proportional to 440,160.60, 660,240.90 and 437,536.20 is: 656,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,160.60 : 660,240.90 = 437,536.20 : x
  2. Step 2: Convert to fraction form
    440,160.60/660,240.90 = 437,536.20/x
  3. Step 3: Cross multiply
    440,160.60x = 660,240.90 × 437,536.20
  4. Step 4: Simplify right side
    440,160.60x = 288,879,294,470.58
  5. Step 5: Solve for x
    x = 288,879,294,470.58/440,160.60
  6. Step 6: Final answer
    x = 656,304.30

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1.5x scale

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.