Home / 814,230.80-1,221,346.20-731,562.20

Finding the Fourth Proportional to 814,230.80, 1,221,346.20 and 731,562.20

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Solution

The fourth proportional to 814,230.80, 1,221,346.20 and 731,562.20 is: 1,097,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,230.80 : 1,221,346.20 = 731,562.20 : x
  2. Step 2: Convert to fraction form
    814,230.80/1,221,346.20 = 731,562.20/x
  3. Step 3: Cross multiply
    814,230.80x = 1,221,346.20 × 731,562.20
  4. Step 4: Simplify right side
    814,230.80x = 893,490,713,033.64
  5. Step 5: Solve for x
    x = 893,490,713,033.64/814,230.80
  6. Step 6: Final answer
    x = 1,097,343.30

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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.