Home / 886,687.23-1,330,217.91-287,601.87

Finding the Fourth Proportional to 886,687.23, 1,330,217.91 and 287,601.87

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Solution

The fourth proportional to 886,687.23, 1,330,217.91 and 287,601.87 is: 431,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,687.23 : 1,330,217.91 = 287,601.87 : x
  2. Step 2: Convert to fraction form
    886,687.23/1,330,217.91 = 287,601.87/x
  3. Step 3: Cross multiply
    886,687.23x = 1,330,217.91 × 287,601.87
  4. Step 4: Simplify right side
    886,687.23x = 382,573,158,423.49
  5. Step 5: Solve for x
    x = 382,573,158,423.49/886,687.23
  6. Step 6: Final answer
    x = 431,463.48

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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.