Home / 695,620.32-1,043,580.10-215,838.50

Finding the Fourth Proportional to 695,620.32, 1,043,580.10 and 215,838.50

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Solution

The fourth proportional to 695,620.32, 1,043,580.10 and 215,838.50 is: 323,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,620.32 : 1,043,580.10 = 215,838.50 : x
  2. Step 2: Convert to fraction form
    695,620.32/1,043,580.10 = 215,838.50/x
  3. Step 3: Cross multiply
    695,620.32x = 1,043,580.10 × 215,838.50
  4. Step 4: Simplify right side
    695,620.32x = 225,244,763,413.85
  5. Step 5: Solve for x
    x = 225,244,763,413.85/695,620.32
  6. Step 6: Final answer
    x = 323,804.17

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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.