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Finding the Fourth Proportional to 550,010.90, 825,016.35 and 328,826.90

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Solution

The fourth proportional to 550,010.90, 825,016.35 and 328,826.90 is: 493,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,010.90 : 825,016.35 = 328,826.90 : x
  2. Step 2: Convert to fraction form
    550,010.90/825,016.35 = 328,826.90/x
  3. Step 3: Cross multiply
    550,010.90x = 825,016.35 × 328,826.90
  4. Step 4: Simplify right side
    550,010.90x = 271,287,568,819.82
  5. Step 5: Solve for x
    x = 271,287,568,819.82/550,010.90
  6. Step 6: Final answer
    x = 493,240.35

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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.