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Finding the Fourth Proportional to 541,736.85, 747,721.26 and 360,456.42

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Solution

The fourth proportional to 541,736.85, 747,721.26 and 360,456.42 is: 497,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,736.85 : 747,721.26 = 360,456.42 : x
  2. Step 2: Convert to fraction form
    541,736.85/747,721.26 = 360,456.42/x
  3. Step 3: Cross multiply
    541,736.85x = 747,721.26 × 360,456.42
  4. Step 4: Simplify right side
    541,736.85x = 269,520,928,537.49
  5. Step 5: Solve for x
    x = 269,520,928,537.49/541,736.85
  6. Step 6: Final answer
    x = 497,512.64

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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.