Home / 822,579.76-1,135,112.88-455,034.88

Finding the Fourth Proportional to 822,579.76, 1,135,112.88 and 455,034.88

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Solution

The fourth proportional to 822,579.76, 1,135,112.88 and 455,034.88 is: 627,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,579.76 : 1,135,112.88 = 455,034.88 : x
  2. Step 2: Convert to fraction form
    822,579.76/1,135,112.88 = 455,034.88/x
  3. Step 3: Cross multiply
    822,579.76x = 1,135,112.88 × 455,034.88
  4. Step 4: Simplify right side
    822,579.76x = 516,515,953,137.25
  5. Step 5: Solve for x
    x = 516,515,953,137.25/822,579.76
  6. Step 6: Final answer
    x = 627,922.03

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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.