Home / 990,629.25-1,367,073.69-560,993.10

Finding the Fourth Proportional to 990,629.25, 1,367,073.69 and 560,993.10

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Solution

The fourth proportional to 990,629.25, 1,367,073.69 and 560,993.10 is: 774,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,629.25 : 1,367,073.69 = 560,993.10 : x
  2. Step 2: Convert to fraction form
    990,629.25/1,367,073.69 = 560,993.10/x
  3. Step 3: Cross multiply
    990,629.25x = 1,367,073.69 × 560,993.10
  4. Step 4: Simplify right side
    990,629.25x = 766,918,907,281.54
  5. Step 5: Solve for x
    x = 766,918,907,281.54/990,629.25
  6. Step 6: Final answer
    x = 774,173.49

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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.