Home / 892,669.48-1,231,912.26-490,261.48

Finding the Fourth Proportional to 892,669.48, 1,231,912.26 and 490,261.48

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Solution

The fourth proportional to 892,669.48, 1,231,912.26 and 490,261.48 is: 676,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,669.48 : 1,231,912.26 = 490,261.48 : x
  2. Step 2: Convert to fraction form
    892,669.48/1,231,912.26 = 490,261.48/x
  3. Step 3: Cross multiply
    892,669.48x = 1,231,912.26 × 490,261.48
  4. Step 4: Simplify right side
    892,669.48x = 603,959,127,817.75
  5. Step 5: Solve for x
    x = 603,959,127,817.75/892,669.48
  6. Step 6: Final answer
    x = 676,576.43

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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.