Home / 680,518.80-1,020,778.20-181,882.80

Finding the Fourth Proportional to 680,518.80, 1,020,778.20 and 181,882.80

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Solution

The fourth proportional to 680,518.80, 1,020,778.20 and 181,882.80 is: 272,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,518.80 : 1,020,778.20 = 181,882.80 : x
  2. Step 2: Convert to fraction form
    680,518.80/1,020,778.20 = 181,882.80/x
  3. Step 3: Cross multiply
    680,518.80x = 1,020,778.20 × 181,882.80
  4. Step 4: Simplify right side
    680,518.80x = 185,661,997,194.96
  5. Step 5: Solve for x
    x = 185,661,997,194.96/680,518.80
  6. Step 6: Final answer
    x = 272,824.20

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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.