Home / 991,593.88-1,368,414.30-538,885.24

Finding the Fourth Proportional to 991,593.88, 1,368,414.30 and 538,885.24

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Solution

The fourth proportional to 991,593.88, 1,368,414.30 and 538,885.24 is: 743,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,593.88 : 1,368,414.30 = 538,885.24 : x
  2. Step 2: Convert to fraction form
    991,593.88/1,368,414.30 = 538,885.24/x
  3. Step 3: Cross multiply
    991,593.88x = 1,368,414.30 × 538,885.24
  4. Step 4: Simplify right side
    991,593.88x = 737,418,268,474.93
  5. Step 5: Solve for x
    x = 737,418,268,474.93/991,593.88
  6. Step 6: Final answer
    x = 743,669.64

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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.