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Finding the Fourth Proportional to 541,989.67, 747,945.21 and 300,287.29

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Solution

The fourth proportional to 541,989.67, 747,945.21 and 300,287.29 is: 414,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,989.67 : 747,945.21 = 300,287.29 : x
  2. Step 2: Convert to fraction form
    541,989.67/747,945.21 = 300,287.29/x
  3. Step 3: Cross multiply
    541,989.67x = 747,945.21 × 300,287.29
  4. Step 4: Simplify right side
    541,989.67x = 224,598,440,179.38
  5. Step 5: Solve for x
    x = 224,598,440,179.38/541,989.67
  6. Step 6: Final answer
    x = 414,396.16

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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.