Home / 992,005.13-1,368,976.80-539,305.85

Finding the Fourth Proportional to 992,005.13, 1,368,976.80 and 539,305.85

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Solution

The fourth proportional to 992,005.13, 1,368,976.80 and 539,305.85 is: 744,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,005.13 : 1,368,976.80 = 539,305.85 : x
  2. Step 2: Convert to fraction form
    992,005.13/1,368,976.80 = 539,305.85/x
  3. Step 3: Cross multiply
    992,005.13x = 1,368,976.80 × 539,305.85
  4. Step 4: Simplify right side
    992,005.13x = 738,297,196,754.28
  5. Step 5: Solve for x
    x = 738,297,196,754.28/992,005.13
  6. Step 6: Final answer
    x = 744,247.36

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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.