Home / 890,664.50-1,229,194.78-488,334.26

Finding the Fourth Proportional to 890,664.50, 1,229,194.78 and 488,334.26

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Solution

The fourth proportional to 890,664.50, 1,229,194.78 and 488,334.26 is: 673,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,664.50 : 1,229,194.78 = 488,334.26 : x
  2. Step 2: Convert to fraction form
    890,664.50/1,229,194.78 = 488,334.26/x
  3. Step 3: Cross multiply
    890,664.50x = 1,229,194.78 × 488,334.26
  4. Step 4: Simplify right side
    890,664.50x = 600,257,923,287.16
  5. Step 5: Solve for x
    x = 600,257,923,287.16/890,664.50
  6. Step 6: Final answer
    x = 673,943.92

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1.5x scale

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.