Home / 991,183.88-1,367,834.96-538,474.88

Finding the Fourth Proportional to 991,183.88, 1,367,834.96 and 538,474.88

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Solution

The fourth proportional to 991,183.88, 1,367,834.96 and 538,474.88 is: 743,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,183.88 : 1,367,834.96 = 538,474.88 : x
  2. Step 2: Convert to fraction form
    991,183.88/1,367,834.96 = 538,474.88/x
  3. Step 3: Cross multiply
    991,183.88x = 1,367,834.96 × 538,474.88
  4. Step 4: Simplify right side
    991,183.88x = 736,544,760,452.82
  5. Step 5: Solve for x
    x = 736,544,760,452.82/991,183.88
  6. Step 6: Final answer
    x = 743,095.99

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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.