Home / 676,937.88-1,015,144.29-361,222.56

Finding the Fourth Proportional to 676,937.88, 1,015,144.29 and 361,222.56

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Solution

The fourth proportional to 676,937.88, 1,015,144.29 and 361,222.56 is: 541,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,937.88 : 1,015,144.29 = 361,222.56 : x
  2. Step 2: Convert to fraction form
    676,937.88/1,015,144.29 = 361,222.56/x
  3. Step 3: Cross multiply
    676,937.88x = 1,015,144.29 × 361,222.56
  4. Step 4: Simplify right side
    676,937.88x = 366,693,019,203.18
  5. Step 5: Solve for x
    x = 366,693,019,203.18/676,937.88
  6. Step 6: Final answer
    x = 541,693.75

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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.