Home / 680,470.11-1,020,707.87-275,669.96

Finding the Fourth Proportional to 680,470.11, 1,020,707.87 and 275,669.96

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Solution

The fourth proportional to 680,470.11, 1,020,707.87 and 275,669.96 is: 413,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,470.11 : 1,020,707.87 = 275,669.96 : x
  2. Step 2: Convert to fraction form
    680,470.11/1,020,707.87 = 275,669.96/x
  3. Step 3: Cross multiply
    680,470.11x = 1,020,707.87 × 275,669.96
  4. Step 4: Simplify right side
    680,470.11x = 281,378,491,212.70
  5. Step 5: Solve for x
    x = 281,378,491,212.70/680,470.11
  6. Step 6: Final answer
    x = 413,506.03

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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.