Home / 855,370.58-1,180,466.19-492,787.85

Finding the Fourth Proportional to 855,370.58, 1,180,466.19 and 492,787.85

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Solution

The fourth proportional to 855,370.58, 1,180,466.19 and 492,787.85 is: 680,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,370.58 : 1,180,466.19 = 492,787.85 : x
  2. Step 2: Convert to fraction form
    855,370.58/1,180,466.19 = 492,787.85/x
  3. Step 3: Cross multiply
    855,370.58x = 1,180,466.19 × 492,787.85
  4. Step 4: Simplify right side
    855,370.58x = 581,719,389,865.46
  5. Step 5: Solve for x
    x = 581,719,389,865.46/855,370.58
  6. Step 6: Final answer
    x = 680,078.79

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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.