Home / 741,337.20-1,112,005.80-208,851.30

Finding the Fourth Proportional to 741,337.20, 1,112,005.80 and 208,851.30

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Solution

The fourth proportional to 741,337.20, 1,112,005.80 and 208,851.30 is: 313,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,337.20 : 1,112,005.80 = 208,851.30 : x
  2. Step 2: Convert to fraction form
    741,337.20/1,112,005.80 = 208,851.30/x
  3. Step 3: Cross multiply
    741,337.20x = 1,112,005.80 × 208,851.30
  4. Step 4: Simplify right side
    741,337.20x = 232,243,856,937.54
  5. Step 5: Solve for x
    x = 232,243,856,937.54/741,337.20
  6. Step 6: Final answer
    x = 313,276.95

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Double scale
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Similar ratio
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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.