Home / 680,941.28-1,013,373.43-658,237.39

Finding the Fourth Proportional to 680,941.28, 1,013,373.43 and 658,237.39

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Solution

The fourth proportional to 680,941.28, 1,013,373.43 and 658,237.39 is: 979,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,941.28 : 1,013,373.43 = 658,237.39 : x
  2. Step 2: Convert to fraction form
    680,941.28/1,013,373.43 = 658,237.39/x
  3. Step 3: Cross multiply
    680,941.28x = 1,013,373.43 × 658,237.39
  4. Step 4: Simplify right side
    680,941.28x = 667,040,281,182.11
  5. Step 5: Solve for x
    x = 667,040,281,182.11/680,941.28
  6. Step 6: Final answer
    x = 979,585.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.