Home / 989,701.16-1,365,782.78-536,992.16

Finding the Fourth Proportional to 989,701.16, 1,365,782.78 and 536,992.16

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Solution

The fourth proportional to 989,701.16, 1,365,782.78 and 536,992.16 is: 741,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,701.16 : 1,365,782.78 = 536,992.16 : x
  2. Step 2: Convert to fraction form
    989,701.16/1,365,782.78 = 536,992.16/x
  3. Step 3: Cross multiply
    989,701.16x = 1,365,782.78 × 536,992.16
  4. Step 4: Simplify right side
    989,701.16x = 733,414,639,636.57
  5. Step 5: Solve for x
    x = 733,414,639,636.57/989,701.16
  6. Step 6: Final answer
    x = 741,046.56

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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.