Home / 767,086.80-1,150,198.20-293,787.60

Finding the Fourth Proportional to 767,086.80, 1,150,198.20 and 293,787.60

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Solution

The fourth proportional to 767,086.80, 1,150,198.20 and 293,787.60 is: 440,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,086.80 : 1,150,198.20 = 293,787.60 : x
  2. Step 2: Convert to fraction form
    767,086.80/1,150,198.20 = 293,787.60/x
  3. Step 3: Cross multiply
    767,086.80x = 1,150,198.20 × 293,787.60
  4. Step 4: Simplify right side
    767,086.80x = 337,913,968,702.32
  5. Step 5: Solve for x
    x = 337,913,968,702.32/767,086.80
  6. Step 6: Final answer
    x = 440,515.95

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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.