Home / 987,952.11-1,363,597.52-558,481.47

Finding the Fourth Proportional to 987,952.11, 1,363,597.52 and 558,481.47

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Solution

The fourth proportional to 987,952.11, 1,363,597.52 and 558,481.47 is: 770,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,952.11 : 1,363,597.52 = 558,481.47 : x
  2. Step 2: Convert to fraction form
    987,952.11/1,363,597.52 = 558,481.47/x
  3. Step 3: Cross multiply
    987,952.11x = 1,363,597.52 × 558,481.47
  4. Step 4: Simplify right side
    987,952.11x = 761,543,944,665.55
  5. Step 5: Solve for x
    x = 761,543,944,665.55/987,952.11
  6. Step 6: Final answer
    x = 770,830.83

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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.