Home / 783,821.49-1,173,737.97-516,771.78

Finding the Fourth Proportional to 783,821.49, 1,173,737.97 and 516,771.78

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Solution

The fourth proportional to 783,821.49, 1,173,737.97 and 516,771.78 is: 773,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,821.49 : 1,173,737.97 = 516,771.78 : x
  2. Step 2: Convert to fraction form
    783,821.49/1,173,737.97 = 516,771.78/x
  3. Step 3: Cross multiply
    783,821.49x = 1,173,737.97 × 516,771.78
  4. Step 4: Simplify right side
    783,821.49x = 606,554,660,010.49
  5. Step 5: Solve for x
    x = 606,554,660,010.49/783,821.49
  6. Step 6: Final answer
    x = 773,842.86

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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.