Home / 846,292.06-1,269,446.29-215,205.87

Finding the Fourth Proportional to 846,292.06, 1,269,446.29 and 215,205.87

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Solution

The fourth proportional to 846,292.06, 1,269,446.29 and 215,205.87 is: 322,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,292.06 : 1,269,446.29 = 215,205.87 : x
  2. Step 2: Convert to fraction form
    846,292.06/1,269,446.29 = 215,205.87/x
  3. Step 3: Cross multiply
    846,292.06x = 1,269,446.29 × 215,205.87
  4. Step 4: Simplify right side
    846,292.06x = 273,192,293,257.72
  5. Step 5: Solve for x
    x = 273,192,293,257.72/846,292.06
  6. Step 6: Final answer
    x = 322,810.89

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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.