Home / 814,481.80-1,222,014.30-341,312.20

Finding the Fourth Proportional to 814,481.80, 1,222,014.30 and 341,312.20

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Solution

The fourth proportional to 814,481.80, 1,222,014.30 and 341,312.20 is: 512,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,481.80 : 1,222,014.30 = 341,312.20 : x
  2. Step 2: Convert to fraction form
    814,481.80/1,222,014.30 = 341,312.20/x
  3. Step 3: Cross multiply
    814,481.80x = 1,222,014.30 × 341,312.20
  4. Step 4: Simplify right side
    814,481.80x = 417,088,389,164.46
  5. Step 5: Solve for x
    x = 417,088,389,164.46/814,481.80
  6. Step 6: Final answer
    x = 512,090.50

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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.