Home / 844,419.14-1,267,294.38-312,092.40

Finding the Fourth Proportional to 844,419.14, 1,267,294.38 and 312,092.40

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Solution

The fourth proportional to 844,419.14, 1,267,294.38 and 312,092.40 is: 468,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,419.14 : 1,267,294.38 = 312,092.40 : x
  2. Step 2: Convert to fraction form
    844,419.14/1,267,294.38 = 312,092.40/x
  3. Step 3: Cross multiply
    844,419.14x = 1,267,294.38 × 312,092.40
  4. Step 4: Simplify right side
    844,419.14x = 395,512,944,560.71
  5. Step 5: Solve for x
    x = 395,512,944,560.71/844,419.14
  6. Step 6: Final answer
    x = 468,384.63

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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.