Home / 475,285.89-655,649.19-322,272.30

Finding the Fourth Proportional to 475,285.89, 655,649.19 and 322,272.30

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Solution

The fourth proportional to 475,285.89, 655,649.19 and 322,272.30 is: 444,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,285.89 : 655,649.19 = 322,272.30 : x
  2. Step 2: Convert to fraction form
    475,285.89/655,649.19 = 322,272.30/x
  3. Step 3: Cross multiply
    475,285.89x = 655,649.19 × 322,272.30
  4. Step 4: Simplify right side
    475,285.89x = 211,297,572,454.44
  5. Step 5: Solve for x
    x = 211,297,572,454.44/475,285.89
  6. Step 6: Final answer
    x = 444,569.42

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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.