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Finding the Fourth Proportional to 542,201.77, 748,281.63 and 300,507.49

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Solution

The fourth proportional to 542,201.77, 748,281.63 and 300,507.49 is: 414,724.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,201.77 : 748,281.63 = 300,507.49 : x
  2. Step 2: Convert to fraction form
    542,201.77/748,281.63 = 300,507.49/x
  3. Step 3: Cross multiply
    542,201.77x = 748,281.63 × 300,507.49
  4. Step 4: Simplify right side
    542,201.77x = 224,864,233,700.61
  5. Step 5: Solve for x
    x = 224,864,233,700.61/542,201.77
  6. Step 6: Final answer
    x = 414,724.27

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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.