Home / 894,664.80-1,340,247.60-538,621.20

Finding the Fourth Proportional to 894,664.80, 1,340,247.60 and 538,621.20

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Solution

The fourth proportional to 894,664.80, 1,340,247.60 and 538,621.20 is: 806,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,664.80 : 1,340,247.60 = 538,621.20 : x
  2. Step 2: Convert to fraction form
    894,664.80/1,340,247.60 = 538,621.20/x
  3. Step 3: Cross multiply
    894,664.80x = 1,340,247.60 × 538,621.20
  4. Step 4: Simplify right side
    894,664.80x = 721,885,770,609.12
  5. Step 5: Solve for x
    x = 721,885,770,609.12/894,664.80
  6. Step 6: Final answer
    x = 806,878.48

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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.