Home / 991,183.38-1,367,834.27-538,474.38

Finding the Fourth Proportional to 991,183.38, 1,367,834.27 and 538,474.38

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Solution

The fourth proportional to 991,183.38, 1,367,834.27 and 538,474.38 is: 743,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,183.38 : 1,367,834.27 = 538,474.38 : x
  2. Step 2: Convert to fraction form
    991,183.38/1,367,834.27 = 538,474.38/x
  3. Step 3: Cross multiply
    991,183.38x = 1,367,834.27 × 538,474.38
  4. Step 4: Simplify right side
    991,183.38x = 736,543,710,481.00
  5. Step 5: Solve for x
    x = 736,543,710,481.00/991,183.38
  6. Step 6: Final answer
    x = 743,095.30

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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.