Home / 891,112.80-1,336,747.79-251,422.14

Finding the Fourth Proportional to 891,112.80, 1,336,747.79 and 251,422.14

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Solution

The fourth proportional to 891,112.80, 1,336,747.79 and 251,422.14 is: 377,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,112.80 : 1,336,747.79 = 251,422.14 : x
  2. Step 2: Convert to fraction form
    891,112.80/1,336,747.79 = 251,422.14/x
  3. Step 3: Cross multiply
    891,112.80x = 1,336,747.79 × 251,422.14
  4. Step 4: Simplify right side
    891,112.80x = 336,087,990,002.07
  5. Step 5: Solve for x
    x = 336,087,990,002.07/891,112.80
  6. Step 6: Final answer
    x = 377,155.38

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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.