Home / 684,640.15-1,027,550.71-264,211.27

Finding the Fourth Proportional to 684,640.15, 1,027,550.71 and 264,211.27

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Solution

The fourth proportional to 684,640.15, 1,027,550.71 and 264,211.27 is: 396,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,640.15 : 1,027,550.71 = 264,211.27 : x
  2. Step 2: Convert to fraction form
    684,640.15/1,027,550.71 = 264,211.27/x
  3. Step 3: Cross multiply
    684,640.15x = 1,027,550.71 × 264,211.27
  4. Step 4: Simplify right side
    684,640.15x = 271,490,475,839.89
  5. Step 5: Solve for x
    x = 271,490,475,839.89/684,640.15
  6. Step 6: Final answer
    x = 396,544.78

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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.