Home / 991,587.88-1,368,406.02-538,879.24

Finding the Fourth Proportional to 991,587.88, 1,368,406.02 and 538,879.24

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Solution

The fourth proportional to 991,587.88, 1,368,406.02 and 538,879.24 is: 743,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,587.88 : 1,368,406.02 = 538,879.24 : x
  2. Step 2: Convert to fraction form
    991,587.88/1,368,406.02 = 538,879.24/x
  3. Step 3: Cross multiply
    991,587.88x = 1,368,406.02 × 538,879.24
  4. Step 4: Simplify right side
    991,587.88x = 737,405,596,069.03
  5. Step 5: Solve for x
    x = 737,405,596,069.03/991,587.88
  6. Step 6: Final answer
    x = 743,661.36

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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.