Home / 722,821.41-1,084,285.38-190,338.75

Finding the Fourth Proportional to 722,821.41, 1,084,285.38 and 190,338.75

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Solution

The fourth proportional to 722,821.41, 1,084,285.38 and 190,338.75 is: 285,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,821.41 : 1,084,285.38 = 190,338.75 : x
  2. Step 2: Convert to fraction form
    722,821.41/1,084,285.38 = 190,338.75/x
  3. Step 3: Cross multiply
    722,821.41x = 1,084,285.38 × 190,338.75
  4. Step 4: Simplify right side
    722,821.41x = 206,381,523,872.48
  5. Step 5: Solve for x
    x = 206,381,523,872.48/722,821.41
  6. Step 6: Final answer
    x = 285,522.15

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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.