Home / 693,755.73-1,040,412.09-220,330.35

Finding the Fourth Proportional to 693,755.73, 1,040,412.09 and 220,330.35

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Solution

The fourth proportional to 693,755.73, 1,040,412.09 and 220,330.35 is: 330,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,755.73 : 1,040,412.09 = 220,330.35 : x
  2. Step 2: Convert to fraction form
    693,755.73/1,040,412.09 = 220,330.35/x
  3. Step 3: Cross multiply
    693,755.73x = 1,040,412.09 × 220,330.35
  4. Step 4: Simplify right side
    693,755.73x = 229,234,359,933.93
  5. Step 5: Solve for x
    x = 229,234,359,933.93/693,755.73
  6. Step 6: Final answer
    x = 330,425.18

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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.