Home / 991,633.64-1,368,462.66-538,924.52

Finding the Fourth Proportional to 991,633.64, 1,368,462.66 and 538,924.52

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Solution

The fourth proportional to 991,633.64, 1,368,462.66 and 538,924.52 is: 743,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,633.64 : 1,368,462.66 = 538,924.52 : x
  2. Step 2: Convert to fraction form
    991,633.64/1,368,462.66 = 538,924.52/x
  3. Step 3: Cross multiply
    991,633.64x = 1,368,462.66 × 538,924.52
  4. Step 4: Simplify right side
    991,633.64x = 737,498,082,178.42
  5. Step 5: Solve for x
    x = 737,498,082,178.42/991,633.64
  6. Step 6: Final answer
    x = 743,720.31

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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.