Home / 800,864.32-1,200,467.04-659,133.76

Finding the Fourth Proportional to 800,864.32, 1,200,467.04 and 659,133.76

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Solution

The fourth proportional to 800,864.32, 1,200,467.04 and 659,133.76 is: 988,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,864.32 : 1,200,467.04 = 659,133.76 : x
  2. Step 2: Convert to fraction form
    800,864.32/1,200,467.04 = 659,133.76/x
  3. Step 3: Cross multiply
    800,864.32x = 1,200,467.04 × 659,133.76
  4. Step 4: Simplify right side
    800,864.32x = 791,268,353,831.27
  5. Step 5: Solve for x
    x = 791,268,353,831.27/800,864.32
  6. Step 6: Final answer
    x = 988,017.99

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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.