Home / 779,171.88-1,168,791.12-305,959.80

Finding the Fourth Proportional to 779,171.88, 1,168,791.12 and 305,959.80

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Solution

The fourth proportional to 779,171.88, 1,168,791.12 and 305,959.80 is: 458,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,171.88 : 1,168,791.12 = 305,959.80 : x
  2. Step 2: Convert to fraction form
    779,171.88/1,168,791.12 = 305,959.80/x
  3. Step 3: Cross multiply
    779,171.88x = 1,168,791.12 × 305,959.80
  4. Step 4: Simplify right side
    779,171.88x = 357,603,097,316.98
  5. Step 5: Solve for x
    x = 357,603,097,316.98/779,171.88
  6. Step 6: Final answer
    x = 458,952.78

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1.5x scale

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.