Home / 1,088,540.64-1,632,816.16-330,388.70

Finding the Fourth Proportional to 1,088,540.64, 1,632,816.16 and 330,388.70

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Solution

The fourth proportional to 1,088,540.64, 1,632,816.16 and 330,388.70 is: 495,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,540.64 : 1,632,816.16 = 330,388.70 : x
  2. Step 2: Convert to fraction form
    1,088,540.64/1,632,816.16 = 330,388.70/x
  3. Step 3: Cross multiply
    1,088,540.64x = 1,632,816.16 × 330,388.70
  4. Step 4: Simplify right side
    1,088,540.64x = 539,463,999,451.34
  5. Step 5: Solve for x
    x = 539,463,999,451.34/1,088,540.64
  6. Step 6: Final answer
    x = 495,584.62

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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.