Home / 875,939.91-1,313,907.71-211,091.91

Finding the Fourth Proportional to 875,939.91, 1,313,907.71 and 211,091.91

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Solution

The fourth proportional to 875,939.91, 1,313,907.71 and 211,091.91 is: 316,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,939.91 : 1,313,907.71 = 211,091.91 : x
  2. Step 2: Convert to fraction form
    875,939.91/1,313,907.71 = 211,091.91/x
  3. Step 3: Cross multiply
    875,939.91x = 1,313,907.71 × 211,091.91
  4. Step 4: Simplify right side
    875,939.91x = 277,355,287,012.17
  5. Step 5: Solve for x
    x = 277,355,287,012.17/875,939.91
  6. Step 6: Final answer
    x = 316,637.34

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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.