Home / 770,810.80-1,156,375.77-231,045.28

Finding the Fourth Proportional to 770,810.80, 1,156,375.77 and 231,045.28

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Solution

The fourth proportional to 770,810.80, 1,156,375.77 and 231,045.28 is: 346,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,810.80 : 1,156,375.77 = 231,045.28 : x
  2. Step 2: Convert to fraction form
    770,810.80/1,156,375.77 = 231,045.28/x
  3. Step 3: Cross multiply
    770,810.80x = 1,156,375.77 × 231,045.28
  4. Step 4: Simplify right side
    770,810.80x = 267,175,160,336.09
  5. Step 5: Solve for x
    x = 267,175,160,336.09/770,810.80
  6. Step 6: Final answer
    x = 346,615.74

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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.