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Finding the Fourth Proportional to 541,309.32, 747,008.46 and 299,608.68

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Solution

The fourth proportional to 541,309.32, 747,008.46 and 299,608.68 is: 413,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,309.32 : 747,008.46 = 299,608.68 : x
  2. Step 2: Convert to fraction form
    541,309.32/747,008.46 = 299,608.68/x
  3. Step 3: Cross multiply
    541,309.32x = 747,008.46 × 299,608.68
  4. Step 4: Simplify right side
    541,309.32x = 223,810,218,649.43
  5. Step 5: Solve for x
    x = 223,810,218,649.43/541,309.32
  6. Step 6: Final answer
    x = 413,460.86

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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.