Home / 801,276.30-1,201,914.45-240,310.80

Finding the Fourth Proportional to 801,276.30, 1,201,914.45 and 240,310.80

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Solution

The fourth proportional to 801,276.30, 1,201,914.45 and 240,310.80 is: 360,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,276.30 : 1,201,914.45 = 240,310.80 : x
  2. Step 2: Convert to fraction form
    801,276.30/1,201,914.45 = 240,310.80/x
  3. Step 3: Cross multiply
    801,276.30x = 1,201,914.45 × 240,310.80
  4. Step 4: Simplify right side
    801,276.30x = 288,833,023,011.06
  5. Step 5: Solve for x
    x = 288,833,023,011.06/801,276.30
  6. Step 6: Final answer
    x = 360,466.20

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Half scale
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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.