Home / 783,999.20-1,175,998.80-222,960.80

Finding the Fourth Proportional to 783,999.20, 1,175,998.80 and 222,960.80

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Solution

The fourth proportional to 783,999.20, 1,175,998.80 and 222,960.80 is: 334,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,999.20 : 1,175,998.80 = 222,960.80 : x
  2. Step 2: Convert to fraction form
    783,999.20/1,175,998.80 = 222,960.80/x
  3. Step 3: Cross multiply
    783,999.20x = 1,175,998.80 × 222,960.80
  4. Step 4: Simplify right side
    783,999.20x = 262,201,633,247.04
  5. Step 5: Solve for x
    x = 262,201,633,247.04/783,999.20
  6. Step 6: Final answer
    x = 334,441.20

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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.