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Finding the Fourth Proportional to 541,221.48, 746,887.10 and 299,520.72

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Solution

The fourth proportional to 541,221.48, 746,887.10 and 299,520.72 is: 413,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,221.48 : 746,887.10 = 299,520.72 : x
  2. Step 2: Convert to fraction form
    541,221.48/746,887.10 = 299,520.72/x
  3. Step 3: Cross multiply
    541,221.48x = 746,887.10 × 299,520.72
  4. Step 4: Simplify right side
    541,221.48x = 223,708,160,453.11
  5. Step 5: Solve for x
    x = 223,708,160,453.11/541,221.48
  6. Step 6: Final answer
    x = 413,339.40

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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.