Home / 722,964.30-1,084,446.45-457,243.80

Finding the Fourth Proportional to 722,964.30, 1,084,446.45 and 457,243.80

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Solution

The fourth proportional to 722,964.30, 1,084,446.45 and 457,243.80 is: 685,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,964.30 : 1,084,446.45 = 457,243.80 : x
  2. Step 2: Convert to fraction form
    722,964.30/1,084,446.45 = 457,243.80/x
  3. Step 3: Cross multiply
    722,964.30x = 1,084,446.45 × 457,243.80
  4. Step 4: Simplify right side
    722,964.30x = 495,856,415,694.51
  5. Step 5: Solve for x
    x = 495,856,415,694.51/722,964.30
  6. Step 6: Final answer
    x = 685,865.70

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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.