Home / 680,199.27-1,020,693.18-343,266.27

Finding the Fourth Proportional to 680,199.27, 1,020,693.18 and 343,266.27

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Solution

The fourth proportional to 680,199.27, 1,020,693.18 and 343,266.27 is: 515,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,199.27 : 1,020,693.18 = 343,266.27 : x
  2. Step 2: Convert to fraction form
    680,199.27/1,020,693.18 = 343,266.27/x
  3. Step 3: Cross multiply
    680,199.27x = 1,020,693.18 × 343,266.27
  4. Step 4: Simplify right side
    680,199.27x = 350,369,540,713.04
  5. Step 5: Solve for x
    x = 350,369,540,713.04/680,199.27
  6. Step 6: Final answer
    x = 515,098.38

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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.