Home / 905,962.52-1,358,944.05-266,266.37

Finding the Fourth Proportional to 905,962.52, 1,358,944.05 and 266,266.37

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Solution

The fourth proportional to 905,962.52, 1,358,944.05 and 266,266.37 is: 399,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,962.52 : 1,358,944.05 = 266,266.37 : x
  2. Step 2: Convert to fraction form
    905,962.52/1,358,944.05 = 266,266.37/x
  3. Step 3: Cross multiply
    905,962.52x = 1,358,944.05 × 266,266.37
  4. Step 4: Simplify right side
    905,962.52x = 361,841,092,431.88
  5. Step 5: Solve for x
    x = 361,841,092,431.88/905,962.52
  6. Step 6: Final answer
    x = 399,399.63

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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.