Home / 984,778.74-1,360,115.66-661,928.33

Finding the Fourth Proportional to 984,778.74, 1,360,115.66 and 661,928.33

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Solution

The fourth proportional to 984,778.74, 1,360,115.66 and 661,928.33 is: 914,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,778.74 : 1,360,115.66 = 661,928.33 : x
  2. Step 2: Convert to fraction form
    984,778.74/1,360,115.66 = 661,928.33/x
  3. Step 3: Cross multiply
    984,778.74x = 1,360,115.66 × 661,928.33
  4. Step 4: Simplify right side
    984,778.74x = 900,299,092,485.76
  5. Step 5: Solve for x
    x = 900,299,092,485.76/984,778.74
  6. Step 6: Final answer
    x = 914,214.59

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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.