Home / 906,101.78-1,358,825.70-266,234.36

Finding the Fourth Proportional to 906,101.78, 1,358,825.70 and 266,234.36

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Solution

The fourth proportional to 906,101.78, 1,358,825.70 and 266,234.36 is: 399,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,101.78 : 1,358,825.70 = 266,234.36 : x
  2. Step 2: Convert to fraction form
    906,101.78/1,358,825.70 = 266,234.36/x
  3. Step 3: Cross multiply
    906,101.78x = 1,358,825.70 × 266,234.36
  4. Step 4: Simplify right side
    906,101.78x = 361,766,083,796.92
  5. Step 5: Solve for x
    x = 361,766,083,796.92/906,101.78
  6. Step 6: Final answer
    x = 399,255.46

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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.