Home / 830,806.35-1,246,191.30-231,750.60

Finding the Fourth Proportional to 830,806.35, 1,246,191.30 and 231,750.60

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Solution

The fourth proportional to 830,806.35, 1,246,191.30 and 231,750.60 is: 347,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,806.35 : 1,246,191.30 = 231,750.60 : x
  2. Step 2: Convert to fraction form
    830,806.35/1,246,191.30 = 231,750.60/x
  3. Step 3: Cross multiply
    830,806.35x = 1,246,191.30 × 231,750.60
  4. Step 4: Simplify right side
    830,806.35x = 288,805,581,489.78
  5. Step 5: Solve for x
    x = 288,805,581,489.78/830,806.35
  6. Step 6: Final answer
    x = 347,620.82

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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.