Home / 680,585.55-1,020,800.43-181,988.43

Finding the Fourth Proportional to 680,585.55, 1,020,800.43 and 181,988.43

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Solution

The fourth proportional to 680,585.55, 1,020,800.43 and 181,988.43 is: 272,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,585.55 : 1,020,800.43 = 181,988.43 : x
  2. Step 2: Convert to fraction form
    680,585.55/1,020,800.43 = 181,988.43/x
  3. Step 3: Cross multiply
    680,585.55x = 1,020,800.43 × 181,988.43
  4. Step 4: Simplify right side
    680,585.55x = 185,773,867,599.03
  5. Step 5: Solve for x
    x = 185,773,867,599.03/680,585.55
  6. Step 6: Final answer
    x = 272,961.82

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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.