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Finding the Fourth Proportional to 542,469.30, 748,652.00 and 300,827.67

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Solution

The fourth proportional to 542,469.30, 748,652.00 and 300,827.67 is: 415,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,469.30 : 748,652.00 = 300,827.67 : x
  2. Step 2: Convert to fraction form
    542,469.30/748,652.00 = 300,827.67/x
  3. Step 3: Cross multiply
    542,469.30x = 748,652.00 × 300,827.67
  4. Step 4: Simplify right side
    542,469.30x = 225,215,235,296.70
  5. Step 5: Solve for x
    x = 225,215,235,296.70/542,469.30
  6. Step 6: Final answer
    x = 415,166.79

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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.