Home / 783,336.77-1,174,879.03-214,584.95

Finding the Fourth Proportional to 783,336.77, 1,174,879.03 and 214,584.95

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Solution

The fourth proportional to 783,336.77, 1,174,879.03 and 214,584.95 is: 321,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,336.77 : 1,174,879.03 = 214,584.95 : x
  2. Step 2: Convert to fraction form
    783,336.77/1,174,879.03 = 214,584.95/x
  3. Step 3: Cross multiply
    783,336.77x = 1,174,879.03 × 214,584.95
  4. Step 4: Simplify right side
    783,336.77x = 252,111,354,102.99
  5. Step 5: Solve for x
    x = 252,111,354,102.99/783,336.77
  6. Step 6: Final answer
    x = 321,842.87

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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.