Home / 765,020.46-1,147,517.73-266,371.50

Finding the Fourth Proportional to 765,020.46, 1,147,517.73 and 266,371.50

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Solution

The fourth proportional to 765,020.46, 1,147,517.73 and 266,371.50 is: 399,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,020.46 : 1,147,517.73 = 266,371.50 : x
  2. Step 2: Convert to fraction form
    765,020.46/1,147,517.73 = 266,371.50/x
  3. Step 3: Cross multiply
    765,020.46x = 1,147,517.73 × 266,371.50
  4. Step 4: Simplify right side
    765,020.46x = 305,666,019,016.70
  5. Step 5: Solve for x
    x = 305,666,019,016.70/765,020.46
  6. Step 6: Final answer
    x = 399,552.74

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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.