Home / 744,745-1,027,670.34-422,352.04

Finding the Fourth Proportional to 744,745, 1,027,670.34 and 422,352.04

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Solution

The fourth proportional to 744,745, 1,027,670.34 and 422,352.04 is: 582,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,745 : 1,027,670.34 = 422,352.04 : x
  2. Step 2: Convert to fraction form
    744,745/1,027,670.34 = 422,352.04/x
  3. Step 3: Cross multiply
    744,745x = 1,027,670.34 × 422,352.04
  4. Step 4: Simplify right side
    744,745x = 434,038,664,546.49
  5. Step 5: Solve for x
    x = 434,038,664,546.49/744,745
  6. Step 6: Final answer
    x = 582,801.72

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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.