Home / 808,770.09-1,213,111.39-247,806.21

Finding the Fourth Proportional to 808,770.09, 1,213,111.39 and 247,806.21

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Solution

The fourth proportional to 808,770.09, 1,213,111.39 and 247,806.21 is: 371,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,770.09 : 1,213,111.39 = 247,806.21 : x
  2. Step 2: Convert to fraction form
    808,770.09/1,213,111.39 = 247,806.21/x
  3. Step 3: Cross multiply
    808,770.09x = 1,213,111.39 × 247,806.21
  4. Step 4: Simplify right side
    808,770.09x = 300,616,535,863.73
  5. Step 5: Solve for x
    x = 300,616,535,863.73/808,770.09
  6. Step 6: Final answer
    x = 371,695.91

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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.