Home / 545,475.68-752,756.28-319,165.04

Finding the Fourth Proportional to 545,475.68, 752,756.28 and 319,165.04

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Solution

The fourth proportional to 545,475.68, 752,756.28 and 319,165.04 is: 440,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,475.68 : 752,756.28 = 319,165.04 : x
  2. Step 2: Convert to fraction form
    545,475.68/752,756.28 = 319,165.04/x
  3. Step 3: Cross multiply
    545,475.68x = 752,756.28 × 319,165.04
  4. Step 4: Simplify right side
    545,475.68x = 240,253,488,216.45
  5. Step 5: Solve for x
    x = 240,253,488,216.45/545,475.68
  6. Step 6: Final answer
    x = 440,447.66

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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.