Home / 865,872.30-1,298,950.61-266,833.56

Finding the Fourth Proportional to 865,872.30, 1,298,950.61 and 266,833.56

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Solution

The fourth proportional to 865,872.30, 1,298,950.61 and 266,833.56 is: 400,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,872.30 : 1,298,950.61 = 266,833.56 : x
  2. Step 2: Convert to fraction form
    865,872.30/1,298,950.61 = 266,833.56/x
  3. Step 3: Cross multiply
    865,872.30x = 1,298,950.61 × 266,833.56
  4. Step 4: Simplify right side
    865,872.30x = 346,603,614,196.30
  5. Step 5: Solve for x
    x = 346,603,614,196.30/865,872.30
  6. Step 6: Final answer
    x = 400,294.15

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1.5x scale

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.