Home / 989,812.75-1,365,945.24-537,103.75

Finding the Fourth Proportional to 989,812.75, 1,365,945.24 and 537,103.75

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Solution

The fourth proportional to 989,812.75, 1,365,945.24 and 537,103.75 is: 741,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,812.75 : 1,365,945.24 = 537,103.75 : x
  2. Step 2: Convert to fraction form
    989,812.75/1,365,945.24 = 537,103.75/x
  3. Step 3: Cross multiply
    989,812.75x = 1,365,945.24 × 537,103.75
  4. Step 4: Simplify right side
    989,812.75x = 733,654,310,698.65
  5. Step 5: Solve for x
    x = 733,654,310,698.65/989,812.75
  6. Step 6: Final answer
    x = 741,205.15

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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.