Home / 1,088,439.80-1,632,662.94-330,287.36

Finding the Fourth Proportional to 1,088,439.80, 1,632,662.94 and 330,287.36

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Solution

The fourth proportional to 1,088,439.80, 1,632,662.94 and 330,287.36 is: 495,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,439.80 : 1,632,662.94 = 330,287.36 : x
  2. Step 2: Convert to fraction form
    1,088,439.80/1,632,662.94 = 330,287.36/x
  3. Step 3: Cross multiply
    1,088,439.80x = 1,632,662.94 × 330,287.36
  4. Step 4: Simplify right side
    1,088,439.80x = 539,247,932,222.44
  5. Step 5: Solve for x
    x = 539,247,932,222.44/1,088,439.80
  6. Step 6: Final answer
    x = 495,432.02

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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.