Home / 688,851.44-950,626.32-378,767.04

Finding the Fourth Proportional to 688,851.44, 950,626.32 and 378,767.04

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Solution

The fourth proportional to 688,851.44, 950,626.32 and 378,767.04 is: 522,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,851.44 : 950,626.32 = 378,767.04 : x
  2. Step 2: Convert to fraction form
    688,851.44/950,626.32 = 378,767.04/x
  3. Step 3: Cross multiply
    688,851.44x = 950,626.32 × 378,767.04
  4. Step 4: Simplify right side
    688,851.44x = 360,065,917,372.49
  5. Step 5: Solve for x
    x = 360,065,917,372.49/688,851.44
  6. Step 6: Final answer
    x = 522,704.75

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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.