Home / 979,486.88-1,351,776.83-543,988.26

Finding the Fourth Proportional to 979,486.88, 1,351,776.83 and 543,988.26

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Solution

The fourth proportional to 979,486.88, 1,351,776.83 and 543,988.26 is: 750,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,486.88 : 1,351,776.83 = 543,988.26 : x
  2. Step 2: Convert to fraction form
    979,486.88/1,351,776.83 = 543,988.26/x
  3. Step 3: Cross multiply
    979,486.88x = 1,351,776.83 × 543,988.26
  4. Step 4: Simplify right side
    979,486.88x = 735,350,722,940.08
  5. Step 5: Solve for x
    x = 735,350,722,940.08/979,486.88
  6. Step 6: Final answer
    x = 750,750.97

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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.