Home / 850,866.96-1,276,201.62-219,731.16

Finding the Fourth Proportional to 850,866.96, 1,276,201.62 and 219,731.16

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Solution

The fourth proportional to 850,866.96, 1,276,201.62 and 219,731.16 is: 329,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,866.96 : 1,276,201.62 = 219,731.16 : x
  2. Step 2: Convert to fraction form
    850,866.96/1,276,201.62 = 219,731.16/x
  3. Step 3: Cross multiply
    850,866.96x = 1,276,201.62 × 219,731.16
  4. Step 4: Simplify right side
    850,866.96x = 280,421,262,356.48
  5. Step 5: Solve for x
    x = 280,421,262,356.48/850,866.96
  6. Step 6: Final answer
    x = 329,571.22

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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.