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Finding the Fourth Proportional to 542,294.76, 748,278.81 and 338,313.24

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Solution

The fourth proportional to 542,294.76, 748,278.81 and 338,313.24 is: 466,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,294.76 : 748,278.81 = 338,313.24 : x
  2. Step 2: Convert to fraction form
    542,294.76/748,278.81 = 338,313.24/x
  3. Step 3: Cross multiply
    542,294.76x = 748,278.81 × 338,313.24
  4. Step 4: Simplify right side
    542,294.76x = 253,152,628,634.44
  5. Step 5: Solve for x
    x = 253,152,628,634.44/542,294.76
  6. Step 6: Final answer
    x = 466,817.40

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Half scale
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Double scale
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Similar ratio
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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.