Home / 787,831.68-1,088,112.96-573,928.32

Finding the Fourth Proportional to 787,831.68, 1,088,112.96 and 573,928.32

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Solution

The fourth proportional to 787,831.68, 1,088,112.96 and 573,928.32 is: 792,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,831.68 : 1,088,112.96 = 573,928.32 : x
  2. Step 2: Convert to fraction form
    787,831.68/1,088,112.96 = 573,928.32/x
  3. Step 3: Cross multiply
    787,831.68x = 1,088,112.96 × 573,928.32
  4. Step 4: Simplify right side
    787,831.68x = 624,498,843,103.03
  5. Step 5: Solve for x
    x = 624,498,843,103.03/787,831.68
  6. Step 6: Final answer
    x = 792,680.54

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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.