Home / 783,387.90-1,175,081.85-222,422.40

Finding the Fourth Proportional to 783,387.90, 1,175,081.85 and 222,422.40

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Solution

The fourth proportional to 783,387.90, 1,175,081.85 and 222,422.40 is: 333,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,387.90 : 1,175,081.85 = 222,422.40 : x
  2. Step 2: Convert to fraction form
    783,387.90/1,175,081.85 = 222,422.40/x
  3. Step 3: Cross multiply
    783,387.90x = 1,175,081.85 × 222,422.40
  4. Step 4: Simplify right side
    783,387.90x = 261,364,525,273.44
  5. Step 5: Solve for x
    x = 261,364,525,273.44/783,387.90
  6. Step 6: Final answer
    x = 333,633.60

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Double scale
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Similar ratio
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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.