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Finding the Fourth Proportional to 541,812.32, 747,668.13 and 300,080.42

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Solution

The fourth proportional to 541,812.32, 747,668.13 and 300,080.42 is: 414,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,812.32 : 747,668.13 = 300,080.42 : x
  2. Step 2: Convert to fraction form
    541,812.32/747,668.13 = 300,080.42/x
  3. Step 3: Cross multiply
    541,812.32x = 747,668.13 × 300,080.42
  4. Step 4: Simplify right side
    541,812.32x = 224,360,566,471.02
  5. Step 5: Solve for x
    x = 224,360,566,471.02/541,812.32
  6. Step 6: Final answer
    x = 414,092.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.