Home / 783,400.40-1,175,100.60-222,434.90

Finding the Fourth Proportional to 783,400.40, 1,175,100.60 and 222,434.90

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Solution

The fourth proportional to 783,400.40, 1,175,100.60 and 222,434.90 is: 333,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,400.40 : 1,175,100.60 = 222,434.90 : x
  2. Step 2: Convert to fraction form
    783,400.40/1,175,100.60 = 222,434.90/x
  3. Step 3: Cross multiply
    783,400.40x = 1,175,100.60 × 222,434.90
  4. Step 4: Simplify right side
    783,400.40x = 261,383,384,450.94
  5. Step 5: Solve for x
    x = 261,383,384,450.94/783,400.40
  6. Step 6: Final answer
    x = 333,652.35

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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.