Home / 990,867.25-1,367,351.04-561,150.46

Finding the Fourth Proportional to 990,867.25, 1,367,351.04 and 561,150.46

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Solution

The fourth proportional to 990,867.25, 1,367,351.04 and 561,150.46 is: 774,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,867.25 : 1,367,351.04 = 561,150.46 : x
  2. Step 2: Convert to fraction form
    990,867.25/1,367,351.04 = 561,150.46/x
  3. Step 3: Cross multiply
    990,867.25x = 1,367,351.04 × 561,150.46
  4. Step 4: Simplify right side
    990,867.25x = 767,289,665,077.48
  5. Step 5: Solve for x
    x = 767,289,665,077.48/990,867.25
  6. Step 6: Final answer
    x = 774,361.72

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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.