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Finding the Fourth Proportional to 541,017.45, 746,469.95 and 349,800.75

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Solution

The fourth proportional to 541,017.45, 746,469.95 and 349,800.75 is: 482,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,017.45 : 746,469.95 = 349,800.75 : x
  2. Step 2: Convert to fraction form
    541,017.45/746,469.95 = 349,800.75/x
  3. Step 3: Cross multiply
    541,017.45x = 746,469.95 × 349,800.75
  4. Step 4: Simplify right side
    541,017.45x = 261,115,746,613.46
  5. Step 5: Solve for x
    x = 261,115,746,613.46/541,017.45
  6. Step 6: Final answer
    x = 482,638.31

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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.