Home / 481,439.95-664,379.01-266,575.40

Finding the Fourth Proportional to 481,439.95, 664,379.01 and 266,575.40

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Solution

The fourth proportional to 481,439.95, 664,379.01 and 266,575.40 is: 367,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,439.95 : 664,379.01 = 266,575.40 : x
  2. Step 2: Convert to fraction form
    481,439.95/664,379.01 = 266,575.40/x
  3. Step 3: Cross multiply
    481,439.95x = 664,379.01 × 266,575.40
  4. Step 4: Simplify right side
    481,439.95x = 177,107,103,249.01
  5. Step 5: Solve for x
    x = 177,107,103,249.01/481,439.95
  6. Step 6: Final answer
    x = 367,869.56

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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.