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Finding the Fourth Proportional to 542,093.48, 748,093.42 and 300,380.08

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Solution

The fourth proportional to 542,093.48, 748,093.42 and 300,380.08 is: 414,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,093.48 : 748,093.42 = 300,380.08 : x
  2. Step 2: Convert to fraction form
    542,093.48/748,093.42 = 300,380.08/x
  3. Step 3: Cross multiply
    542,093.48x = 748,093.42 × 300,380.08
  4. Step 4: Simplify right side
    542,093.48x = 224,712,361,347.07
  5. Step 5: Solve for x
    x = 224,712,361,347.07/542,093.48
  6. Step 6: Final answer
    x = 414,526.96

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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.