Home / 744,859.20-1,117,299.21-212,380.44

Finding the Fourth Proportional to 744,859.20, 1,117,299.21 and 212,380.44

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Solution

The fourth proportional to 744,859.20, 1,117,299.21 and 212,380.44 is: 318,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,859.20 : 1,117,299.21 = 212,380.44 : x
  2. Step 2: Convert to fraction form
    744,859.20/1,117,299.21 = 212,380.44/x
  3. Step 3: Cross multiply
    744,859.20x = 1,117,299.21 × 212,380.44
  4. Step 4: Simplify right side
    744,859.20x = 237,292,497,831.45
  5. Step 5: Solve for x
    x = 237,292,497,831.45/744,859.20
  6. Step 6: Final answer
    x = 318,573.63

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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.