Home / 779,896.60-1,170,233.70-443,195.80

Finding the Fourth Proportional to 779,896.60, 1,170,233.70 and 443,195.80

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Solution

The fourth proportional to 779,896.60, 1,170,233.70 and 443,195.80 is: 665,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,896.60 : 1,170,233.70 = 443,195.80 : x
  2. Step 2: Convert to fraction form
    779,896.60/1,170,233.70 = 443,195.80/x
  3. Step 3: Cross multiply
    779,896.60x = 1,170,233.70 × 443,195.80
  4. Step 4: Simplify right side
    779,896.60x = 518,642,660,858.46
  5. Step 5: Solve for x
    x = 518,642,660,858.46/779,896.60
  6. Step 6: Final answer
    x = 665,014.65

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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.