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Finding the Fourth Proportional to 542,208.68, 748,203.91 and 300,501.44

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Solution

The fourth proportional to 542,208.68, 748,203.91 and 300,501.44 is: 414,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,208.68 : 748,203.91 = 300,501.44 : x
  2. Step 2: Convert to fraction form
    542,208.68/748,203.91 = 300,501.44/x
  3. Step 3: Cross multiply
    542,208.68x = 748,203.91 × 300,501.44
  4. Step 4: Simplify right side
    542,208.68x = 224,836,347,876.36
  5. Step 5: Solve for x
    x = 224,836,347,876.36/542,208.68
  6. Step 6: Final answer
    x = 414,667.56

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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.