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Finding the Fourth Proportional to 541,247.90, 746,903.67 and 299,540.66

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Solution

The fourth proportional to 541,247.90, 746,903.67 and 299,540.66 is: 413,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,247.90 : 746,903.67 = 299,540.66 : x
  2. Step 2: Convert to fraction form
    541,247.90/746,903.67 = 299,540.66/x
  3. Step 3: Cross multiply
    541,247.90x = 746,903.67 × 299,540.66
  4. Step 4: Simplify right side
    541,247.90x = 223,728,018,268.22
  5. Step 5: Solve for x
    x = 223,728,018,268.22/541,247.90
  6. Step 6: Final answer
    x = 413,355.91

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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.