Home / 899,123.40-1,348,512.30-268,057.80

Finding the Fourth Proportional to 899,123.40, 1,348,512.30 and 268,057.80

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Solution

The fourth proportional to 899,123.40, 1,348,512.30 and 268,057.80 is: 402,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,123.40 : 1,348,512.30 = 268,057.80 : x
  2. Step 2: Convert to fraction form
    899,123.40/1,348,512.30 = 268,057.80/x
  3. Step 3: Cross multiply
    899,123.40x = 1,348,512.30 × 268,057.80
  4. Step 4: Simplify right side
    899,123.40x = 361,479,240,410.94
  5. Step 5: Solve for x
    x = 361,479,240,410.94/899,123.40
  6. Step 6: Final answer
    x = 402,035.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.