Home / 791,800.39-1,187,866.66-342,585.12

Finding the Fourth Proportional to 791,800.39, 1,187,866.66 and 342,585.12

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Solution

The fourth proportional to 791,800.39, 1,187,866.66 and 342,585.12 is: 513,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,800.39 : 1,187,866.66 = 342,585.12 : x
  2. Step 2: Convert to fraction form
    791,800.39/1,187,866.66 = 342,585.12/x
  3. Step 3: Cross multiply
    791,800.39x = 1,187,866.66 × 342,585.12
  4. Step 4: Simplify right side
    791,800.39x = 406,945,442,677.83
  5. Step 5: Solve for x
    x = 406,945,442,677.83/791,800.39
  6. Step 6: Final answer
    x = 513,949.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.