Home / 681,006.06-1,020,979.32-440,612.04

Finding the Fourth Proportional to 681,006.06, 1,020,979.32 and 440,612.04

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Solution

The fourth proportional to 681,006.06, 1,020,979.32 and 440,612.04 is: 660,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,006.06 : 1,020,979.32 = 440,612.04 : x
  2. Step 2: Convert to fraction form
    681,006.06/1,020,979.32 = 440,612.04/x
  3. Step 3: Cross multiply
    681,006.06x = 1,020,979.32 × 440,612.04
  4. Step 4: Simplify right side
    681,006.06x = 449,855,780,983.01
  5. Step 5: Solve for x
    x = 449,855,780,983.01/681,006.06
  6. Step 6: Final answer
    x = 660,575.30

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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.