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Finding the Fourth Proportional to 542,083.11, 748,073.96 and 300,381.34

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Solution

The fourth proportional to 542,083.11, 748,073.96 and 300,381.34 is: 414,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,083.11 : 748,073.96 = 300,381.34 : x
  2. Step 2: Convert to fraction form
    542,083.11/748,073.96 = 300,381.34/x
  3. Step 3: Cross multiply
    542,083.11x = 748,073.96 × 300,381.34
  4. Step 4: Simplify right side
    542,083.11x = 224,707,458,523.91
  5. Step 5: Solve for x
    x = 224,707,458,523.91/542,083.11
  6. Step 6: Final answer
    x = 414,525.84

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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.