Home / 680,541.92-1,020,906.28-231,142.14

Finding the Fourth Proportional to 680,541.92, 1,020,906.28 and 231,142.14

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Solution

The fourth proportional to 680,541.92, 1,020,906.28 and 231,142.14 is: 346,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,541.92 : 1,020,906.28 = 231,142.14 : x
  2. Step 2: Convert to fraction form
    680,541.92/1,020,906.28 = 231,142.14/x
  3. Step 3: Cross multiply
    680,541.92x = 1,020,906.28 × 231,142.14
  4. Step 4: Simplify right side
    680,541.92x = 235,974,462,298.64
  5. Step 5: Solve for x
    x = 235,974,462,298.64/680,541.92
  6. Step 6: Final answer
    x = 346,744.93

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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.