Home / 776,488.14-1,165,012.44-271,123.56

Finding the Fourth Proportional to 776,488.14, 1,165,012.44 and 271,123.56

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Solution

The fourth proportional to 776,488.14, 1,165,012.44 and 271,123.56 is: 406,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,488.14 : 1,165,012.44 = 271,123.56 : x
  2. Step 2: Convert to fraction form
    776,488.14/1,165,012.44 = 271,123.56/x
  3. Step 3: Cross multiply
    776,488.14x = 1,165,012.44 × 271,123.56
  4. Step 4: Simplify right side
    776,488.14x = 315,862,320,177.09
  5. Step 5: Solve for x
    x = 315,862,320,177.09/776,488.14
  6. Step 6: Final answer
    x = 406,783.19

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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.