Home / 777,936.20-1,166,904.30-646,716.20

Finding the Fourth Proportional to 777,936.20, 1,166,904.30 and 646,716.20

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Solution

The fourth proportional to 777,936.20, 1,166,904.30 and 646,716.20 is: 970,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,936.20 : 1,166,904.30 = 646,716.20 : x
  2. Step 2: Convert to fraction form
    777,936.20/1,166,904.30 = 646,716.20/x
  3. Step 3: Cross multiply
    777,936.20x = 1,166,904.30 × 646,716.20
  4. Step 4: Simplify right side
    777,936.20x = 754,655,914,659.66
  5. Step 5: Solve for x
    x = 754,655,914,659.66/777,936.20
  6. Step 6: Final answer
    x = 970,074.30

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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.