Home / 887,112.45-1,330,649.46-247,399.20

Finding the Fourth Proportional to 887,112.45, 1,330,649.46 and 247,399.20

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Solution

The fourth proportional to 887,112.45, 1,330,649.46 and 247,399.20 is: 371,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,112.45 : 1,330,649.46 = 247,399.20 : x
  2. Step 2: Convert to fraction form
    887,112.45/1,330,649.46 = 247,399.20/x
  3. Step 3: Cross multiply
    887,112.45x = 1,330,649.46 × 247,399.20
  4. Step 4: Simplify right side
    887,112.45x = 329,201,611,884.43
  5. Step 5: Solve for x
    x = 329,201,611,884.43/887,112.45
  6. Step 6: Final answer
    x = 371,093.44

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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.