Home / 989,894.60-1,366,046.56-537,185.60

Finding the Fourth Proportional to 989,894.60, 1,366,046.56 and 537,185.60

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Solution

The fourth proportional to 989,894.60, 1,366,046.56 and 537,185.60 is: 741,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,894.60 : 1,366,046.56 = 537,185.60 : x
  2. Step 2: Convert to fraction form
    989,894.60/1,366,046.56 = 537,185.60/x
  3. Step 3: Cross multiply
    989,894.60x = 1,366,046.56 × 537,185.60
  4. Step 4: Simplify right side
    989,894.60x = 733,820,540,961.54
  5. Step 5: Solve for x
    x = 733,820,540,961.54/989,894.60
  6. Step 6: Final answer
    x = 741,311.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.