Home / 790,850.80-1,186,276.20-657,881.20

Finding the Fourth Proportional to 790,850.80, 1,186,276.20 and 657,881.20

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Solution

The fourth proportional to 790,850.80, 1,186,276.20 and 657,881.20 is: 986,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,850.80 : 1,186,276.20 = 657,881.20 : x
  2. Step 2: Convert to fraction form
    790,850.80/1,186,276.20 = 657,881.20/x
  3. Step 3: Cross multiply
    790,850.80x = 1,186,276.20 × 657,881.20
  4. Step 4: Simplify right side
    790,850.80x = 780,428,809,987.44
  5. Step 5: Solve for x
    x = 780,428,809,987.44/790,850.80
  6. Step 6: Final answer
    x = 986,821.80

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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.