Home / 902,408.71-1,245,324.03-494,526.60

Finding the Fourth Proportional to 902,408.71, 1,245,324.03 and 494,526.60

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Solution

The fourth proportional to 902,408.71, 1,245,324.03 and 494,526.60 is: 682,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,408.71 : 1,245,324.03 = 494,526.60 : x
  2. Step 2: Convert to fraction form
    902,408.71/1,245,324.03 = 494,526.60/x
  3. Step 3: Cross multiply
    902,408.71x = 1,245,324.03 × 494,526.60
  4. Step 4: Simplify right side
    902,408.71x = 615,845,860,949.35
  5. Step 5: Solve for x
    x = 615,845,860,949.35/902,408.71
  6. Step 6: Final answer
    x = 682,446.72

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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.