Home / 901,165.68-1,243,524.36-538,517.52

Finding the Fourth Proportional to 901,165.68, 1,243,524.36 and 538,517.52

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Solution

The fourth proportional to 901,165.68, 1,243,524.36 and 538,517.52 is: 743,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,165.68 : 1,243,524.36 = 538,517.52 : x
  2. Step 2: Convert to fraction form
    901,165.68/1,243,524.36 = 538,517.52/x
  3. Step 3: Cross multiply
    901,165.68x = 1,243,524.36 × 538,517.52
  4. Step 4: Simplify right side
    901,165.68x = 669,659,654,406.79
  5. Step 5: Solve for x
    x = 669,659,654,406.79/901,165.68
  6. Step 6: Final answer
    x = 743,103.81

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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.