Home / 813,827.34-1,220,894.10-327,546.66

Finding the Fourth Proportional to 813,827.34, 1,220,894.10 and 327,546.66

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Solution

The fourth proportional to 813,827.34, 1,220,894.10 and 327,546.66 is: 491,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,827.34 : 1,220,894.10 = 327,546.66 : x
  2. Step 2: Convert to fraction form
    813,827.34/1,220,894.10 = 327,546.66/x
  3. Step 3: Cross multiply
    813,827.34x = 1,220,894.10 × 327,546.66
  4. Step 4: Simplify right side
    813,827.34x = 399,899,784,668.71
  5. Step 5: Solve for x
    x = 399,899,784,668.71/813,827.34
  6. Step 6: Final answer
    x = 491,381.61

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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.