Home / 819,853.39-1,131,392.22-452,349.46

Finding the Fourth Proportional to 819,853.39, 1,131,392.22 and 452,349.46

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Solution

The fourth proportional to 819,853.39, 1,131,392.22 and 452,349.46 is: 624,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,853.39 : 1,131,392.22 = 452,349.46 : x
  2. Step 2: Convert to fraction form
    819,853.39/1,131,392.22 = 452,349.46/x
  3. Step 3: Cross multiply
    819,853.39x = 1,131,392.22 × 452,349.46
  4. Step 4: Simplify right side
    819,853.39x = 511,784,659,765.20
  5. Step 5: Solve for x
    x = 511,784,659,765.20/819,853.39
  6. Step 6: Final answer
    x = 624,239.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.