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Finding the Fourth Proportional to 541,599, 747,432.30 and 326,734.47

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Solution

The fourth proportional to 541,599, 747,432.30 and 326,734.47 is: 450,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,599 : 747,432.30 = 326,734.47 : x
  2. Step 2: Convert to fraction form
    541,599/747,432.30 = 326,734.47/x
  3. Step 3: Cross multiply
    541,599x = 747,432.30 × 326,734.47
  4. Step 4: Simplify right side
    541,599x = 244,211,896,401.38
  5. Step 5: Solve for x
    x = 244,211,896,401.38/541,599
  6. Step 6: Final answer
    x = 450,909.06

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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.