Home / 770,811.80-1,156,377.27-231,046.28

Finding the Fourth Proportional to 770,811.80, 1,156,377.27 and 231,046.28

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Solution

The fourth proportional to 770,811.80, 1,156,377.27 and 231,046.28 is: 346,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,811.80 : 1,156,377.27 = 231,046.28 : x
  2. Step 2: Convert to fraction form
    770,811.80/1,156,377.27 = 231,046.28/x
  3. Step 3: Cross multiply
    770,811.80x = 1,156,377.27 × 231,046.28
  4. Step 4: Simplify right side
    770,811.80x = 267,176,666,510.06
  5. Step 5: Solve for x
    x = 267,176,666,510.06/770,811.80
  6. Step 6: Final answer
    x = 346,617.25

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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.