Home / 989,696.80-1,365,797.46-536,987.80

Finding the Fourth Proportional to 989,696.80, 1,365,797.46 and 536,987.80

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Solution

The fourth proportional to 989,696.80, 1,365,797.46 and 536,987.80 is: 741,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,696.80 : 1,365,797.46 = 536,987.80 : x
  2. Step 2: Convert to fraction form
    989,696.80/1,365,797.46 = 536,987.80/x
  3. Step 3: Cross multiply
    989,696.80x = 1,365,797.46 × 536,987.80
  4. Step 4: Simplify right side
    989,696.80x = 733,416,573,290.99
  5. Step 5: Solve for x
    x = 733,416,573,290.99/989,696.80
  6. Step 6: Final answer
    x = 741,051.78

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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.