Home / 739,242.64-1,108,694.40-206,801.20

Finding the Fourth Proportional to 739,242.64, 1,108,694.40 and 206,801.20

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Solution

The fourth proportional to 739,242.64, 1,108,694.40 and 206,801.20 is: 310,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,242.64 : 1,108,694.40 = 206,801.20 : x
  2. Step 2: Convert to fraction form
    739,242.64/1,108,694.40 = 206,801.20/x
  3. Step 3: Cross multiply
    739,242.64x = 1,108,694.40 × 206,801.20
  4. Step 4: Simplify right side
    739,242.64x = 229,279,332,353.28
  5. Step 5: Solve for x
    x = 229,279,332,353.28/739,242.64
  6. Step 6: Final answer
    x = 310,154.37

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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.