Home / 787,292.73-1,086,986.91-605,684.25

Finding the Fourth Proportional to 787,292.73, 1,086,986.91 and 605,684.25

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Solution

The fourth proportional to 787,292.73, 1,086,986.91 and 605,684.25 is: 836,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,292.73 : 1,086,986.91 = 605,684.25 : x
  2. Step 2: Convert to fraction form
    787,292.73/1,086,986.91 = 605,684.25/x
  3. Step 3: Cross multiply
    787,292.73x = 1,086,986.91 × 605,684.25
  4. Step 4: Simplify right side
    787,292.73x = 658,370,851,343.17
  5. Step 5: Solve for x
    x = 658,370,851,343.17/787,292.73
  6. Step 6: Final answer
    x = 836,246.58

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1.5x scale

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.