Home / 693,501.60-1,040,155.20-220,234.80

Finding the Fourth Proportional to 693,501.60, 1,040,155.20 and 220,234.80

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Solution

The fourth proportional to 693,501.60, 1,040,155.20 and 220,234.80 is: 330,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,501.60 : 1,040,155.20 = 220,234.80 : x
  2. Step 2: Convert to fraction form
    693,501.60/1,040,155.20 = 220,234.80/x
  3. Step 3: Cross multiply
    693,501.60x = 1,040,155.20 × 220,234.80
  4. Step 4: Simplify right side
    693,501.60x = 229,078,372,440.96
  5. Step 5: Solve for x
    x = 229,078,372,440.96/693,501.60
  6. Step 6: Final answer
    x = 330,321.33

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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.