Home / 865,872.05-1,298,950.23-266,833.31

Finding the Fourth Proportional to 865,872.05, 1,298,950.23 and 266,833.31

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Solution

The fourth proportional to 865,872.05, 1,298,950.23 and 266,833.31 is: 400,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,872.05 : 1,298,950.23 = 266,833.31 : x
  2. Step 2: Convert to fraction form
    865,872.05/1,298,950.23 = 266,833.31/x
  3. Step 3: Cross multiply
    865,872.05x = 1,298,950.23 × 266,833.31
  4. Step 4: Simplify right side
    865,872.05x = 346,603,189,396.16
  5. Step 5: Solve for x
    x = 346,603,189,396.16/865,872.05
  6. Step 6: Final answer
    x = 400,293.77

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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.