Home / 808,768.84-1,213,109.52-247,804.96

Finding the Fourth Proportional to 808,768.84, 1,213,109.52 and 247,804.96

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Solution

The fourth proportional to 808,768.84, 1,213,109.52 and 247,804.96 is: 371,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,768.84 : 1,213,109.52 = 247,804.96 : x
  2. Step 2: Convert to fraction form
    808,768.84/1,213,109.52 = 247,804.96/x
  3. Step 3: Cross multiply
    808,768.84x = 1,213,109.52 × 247,804.96
  4. Step 4: Simplify right side
    808,768.84x = 300,614,556,079.22
  5. Step 5: Solve for x
    x = 300,614,556,079.22/808,768.84
  6. Step 6: Final answer
    x = 371,694.04

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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.