Home / 684,939.75-1,027,416.66-305,879.77

Finding the Fourth Proportional to 684,939.75, 1,027,416.66 and 305,879.77

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Solution

The fourth proportional to 684,939.75, 1,027,416.66 and 305,879.77 is: 458,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,939.75 : 1,027,416.66 = 305,879.77 : x
  2. Step 2: Convert to fraction form
    684,939.75/1,027,416.66 = 305,879.77/x
  3. Step 3: Cross multiply
    684,939.75x = 1,027,416.66 × 305,879.77
  4. Step 4: Simplify right side
    684,939.75x = 314,265,971,654.97
  5. Step 5: Solve for x
    x = 314,265,971,654.97/684,939.75
  6. Step 6: Final answer
    x = 458,822.80

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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.