Home / 787,589.97-1,182,015.56-408,619.32

Finding the Fourth Proportional to 787,589.97, 1,182,015.56 and 408,619.32

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Solution

The fourth proportional to 787,589.97, 1,182,015.56 and 408,619.32 is: 613,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,589.97 : 1,182,015.56 = 408,619.32 : x
  2. Step 2: Convert to fraction form
    787,589.97/1,182,015.56 = 408,619.32/x
  3. Step 3: Cross multiply
    787,589.97x = 1,182,015.56 × 408,619.32
  4. Step 4: Simplify right side
    787,589.97x = 482,994,394,356.62
  5. Step 5: Solve for x
    x = 482,994,394,356.62/787,589.97
  6. Step 6: Final answer
    x = 613,256.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.