Home / 668,640.30-1,002,960.45-247,829.10

Finding the Fourth Proportional to 668,640.30, 1,002,960.45 and 247,829.10

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Solution

The fourth proportional to 668,640.30, 1,002,960.45 and 247,829.10 is: 371,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,640.30 : 1,002,960.45 = 247,829.10 : x
  2. Step 2: Convert to fraction form
    668,640.30/1,002,960.45 = 247,829.10/x
  3. Step 3: Cross multiply
    668,640.30x = 1,002,960.45 × 247,829.10
  4. Step 4: Simplify right side
    668,640.30x = 248,562,785,659.10
  5. Step 5: Solve for x
    x = 248,562,785,659.10/668,640.30
  6. Step 6: Final answer
    x = 371,743.65

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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.