Home / 808,179.75-1,212,318.23-247,219.11

Finding the Fourth Proportional to 808,179.75, 1,212,318.23 and 247,219.11

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Solution

The fourth proportional to 808,179.75, 1,212,318.23 and 247,219.11 is: 370,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,179.75 : 1,212,318.23 = 247,219.11 : x
  2. Step 2: Convert to fraction form
    808,179.75/1,212,318.23 = 247,219.11/x
  3. Step 3: Cross multiply
    808,179.75x = 1,212,318.23 × 247,219.11
  4. Step 4: Simplify right side
    808,179.75x = 299,708,232,621.28
  5. Step 5: Solve for x
    x = 299,708,232,621.28/808,179.75
  6. Step 6: Final answer
    x = 370,843.53

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1.5x scale

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.