Home / 875,961.54-1,313,942.31-211,113.54

Finding the Fourth Proportional to 875,961.54, 1,313,942.31 and 211,113.54

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Solution

The fourth proportional to 875,961.54, 1,313,942.31 and 211,113.54 is: 316,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,961.54 : 1,313,942.31 = 211,113.54 : x
  2. Step 2: Convert to fraction form
    875,961.54/1,313,942.31 = 211,113.54/x
  3. Step 3: Cross multiply
    875,961.54x = 1,313,942.31 × 211,113.54
  4. Step 4: Simplify right side
    875,961.54x = 277,391,012,419.88
  5. Step 5: Solve for x
    x = 277,391,012,419.88/875,961.54
  6. Step 6: Final answer
    x = 316,670.31

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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.