Home / 816,126.71-1,224,188.44-217,088.57

Finding the Fourth Proportional to 816,126.71, 1,224,188.44 and 217,088.57

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Solution

The fourth proportional to 816,126.71, 1,224,188.44 and 217,088.57 is: 325,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,126.71 : 1,224,188.44 = 217,088.57 : x
  2. Step 2: Convert to fraction form
    816,126.71/1,224,188.44 = 217,088.57/x
  3. Step 3: Cross multiply
    816,126.71x = 1,224,188.44 × 217,088.57
  4. Step 4: Simplify right side
    816,126.71x = 265,757,320,367.88
  5. Step 5: Solve for x
    x = 265,757,320,367.88/816,126.71
  6. Step 6: Final answer
    x = 325,632.43

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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.