Home / 773,715.41-1,160,199.83-324,315.61

Finding the Fourth Proportional to 773,715.41, 1,160,199.83 and 324,315.61

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Solution

The fourth proportional to 773,715.41, 1,160,199.83 and 324,315.61 is: 486,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,715.41 : 1,160,199.83 = 324,315.61 : x
  2. Step 2: Convert to fraction form
    773,715.41/1,160,199.83 = 324,315.61/x
  3. Step 3: Cross multiply
    773,715.41x = 1,160,199.83 × 324,315.61
  4. Step 4: Simplify right side
    773,715.41x = 376,270,916,862.85
  5. Step 5: Solve for x
    x = 376,270,916,862.85/773,715.41
  6. Step 6: Final answer
    x = 486,316.95

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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.