Home / 791,186.70-1,186,812.45-230,221.20

Finding the Fourth Proportional to 791,186.70, 1,186,812.45 and 230,221.20

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Solution

The fourth proportional to 791,186.70, 1,186,812.45 and 230,221.20 is: 345,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,186.70 : 1,186,812.45 = 230,221.20 : x
  2. Step 2: Convert to fraction form
    791,186.70/1,186,812.45 = 230,221.20/x
  3. Step 3: Cross multiply
    791,186.70x = 1,186,812.45 × 230,221.20
  4. Step 4: Simplify right side
    791,186.70x = 273,229,386,413.94
  5. Step 5: Solve for x
    x = 273,229,386,413.94/791,186.70
  6. Step 6: Final answer
    x = 345,341.23

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Double scale
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1.5x scale

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.