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Finding the Fourth Proportional to 542,304.27, 748,424.70 and 300,662.64

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Solution

The fourth proportional to 542,304.27, 748,424.70 and 300,662.64 is: 414,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,304.27 : 748,424.70 = 300,662.64 : x
  2. Step 2: Convert to fraction form
    542,304.27/748,424.70 = 300,662.64/x
  3. Step 3: Cross multiply
    542,304.27x = 748,424.70 × 300,662.64
  4. Step 4: Simplify right side
    542,304.27x = 225,023,346,143.21
  5. Step 5: Solve for x
    x = 225,023,346,143.21/542,304.27
  6. Step 6: Final answer
    x = 414,939.29

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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.