Home / 991,701.52-1,368,543.28-538,992.56

Finding the Fourth Proportional to 991,701.52, 1,368,543.28 and 538,992.56

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Solution

The fourth proportional to 991,701.52, 1,368,543.28 and 538,992.56 is: 743,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,701.52 : 1,368,543.28 = 538,992.56 : x
  2. Step 2: Convert to fraction form
    991,701.52/1,368,543.28 = 538,992.56/x
  3. Step 3: Cross multiply
    991,701.52x = 1,368,543.28 × 538,992.56
  4. Step 4: Simplify right side
    991,701.52x = 737,634,645,958.00
  5. Step 5: Solve for x
    x = 737,634,645,958.00/991,701.52
  6. Step 6: Final answer
    x = 743,807.11

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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.