Home / 991,182.38-1,367,832.89-538,473.38

Finding the Fourth Proportional to 991,182.38, 1,367,832.89 and 538,473.38

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Solution

The fourth proportional to 991,182.38, 1,367,832.89 and 538,473.38 is: 743,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,182.38 : 1,367,832.89 = 538,473.38 : x
  2. Step 2: Convert to fraction form
    991,182.38/1,367,832.89 = 538,473.38/x
  3. Step 3: Cross multiply
    991,182.38x = 1,367,832.89 × 538,473.38
  4. Step 4: Simplify right side
    991,182.38x = 736,541,594,060.49
  5. Step 5: Solve for x
    x = 736,541,594,060.49/991,182.38
  6. Step 6: Final answer
    x = 743,093.92

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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.