Home / 550,922.20-826,383.30-457,610.20

Finding the Fourth Proportional to 550,922.20, 826,383.30 and 457,610.20

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Solution

The fourth proportional to 550,922.20, 826,383.30 and 457,610.20 is: 686,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,922.20 : 826,383.30 = 457,610.20 : x
  2. Step 2: Convert to fraction form
    550,922.20/826,383.30 = 457,610.20/x
  3. Step 3: Cross multiply
    550,922.20x = 826,383.30 × 457,610.20
  4. Step 4: Simplify right side
    550,922.20x = 378,161,427,189.66
  5. Step 5: Solve for x
    x = 378,161,427,189.66/550,922.20
  6. Step 6: Final answer
    x = 686,415.30

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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.