Home / 723,011.80-1,084,517.70-457,291.30

Finding the Fourth Proportional to 723,011.80, 1,084,517.70 and 457,291.30

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Solution

The fourth proportional to 723,011.80, 1,084,517.70 and 457,291.30 is: 685,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,011.80 : 1,084,517.70 = 457,291.30 : x
  2. Step 2: Convert to fraction form
    723,011.80/1,084,517.70 = 457,291.30/x
  3. Step 3: Cross multiply
    723,011.80x = 1,084,517.70 × 457,291.30
  4. Step 4: Simplify right side
    723,011.80x = 495,940,508,906.01
  5. Step 5: Solve for x
    x = 495,940,508,906.01/723,011.80
  6. Step 6: Final answer
    x = 685,936.95

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Double scale
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1.5x scale

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.