Home / 854,619.20-1,179,354.38-472,637.78

Finding the Fourth Proportional to 854,619.20, 1,179,354.38 and 472,637.78

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Solution

The fourth proportional to 854,619.20, 1,179,354.38 and 472,637.78 is: 652,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,619.20 : 1,179,354.38 = 472,637.78 : x
  2. Step 2: Convert to fraction form
    854,619.20/1,179,354.38 = 472,637.78/x
  3. Step 3: Cross multiply
    854,619.20x = 1,179,354.38 × 472,637.78
  4. Step 4: Simplify right side
    854,619.20x = 557,407,435,996.48
  5. Step 5: Solve for x
    x = 557,407,435,996.48/854,619.20
  6. Step 6: Final answer
    x = 652,229.01

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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.