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Finding the Fourth Proportional to 542,265.90, 748,371.72 and 300,624.27

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Solution

The fourth proportional to 542,265.90, 748,371.72 and 300,624.27 is: 414,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,265.90 : 748,371.72 = 300,624.27 : x
  2. Step 2: Convert to fraction form
    542,265.90/748,371.72 = 300,624.27/x
  3. Step 3: Cross multiply
    542,265.90x = 748,371.72 × 300,624.27
  4. Step 4: Simplify right side
    542,265.90x = 224,978,702,013.64
  5. Step 5: Solve for x
    x = 224,978,702,013.64/542,265.90
  6. Step 6: Final answer
    x = 414,886.32

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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.