Home / 704,787.47-1,057,171.76-172,313.09

Finding the Fourth Proportional to 704,787.47, 1,057,171.76 and 172,313.09

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Solution

The fourth proportional to 704,787.47, 1,057,171.76 and 172,313.09 is: 258,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,787.47 : 1,057,171.76 = 172,313.09 : x
  2. Step 2: Convert to fraction form
    704,787.47/1,057,171.76 = 172,313.09/x
  3. Step 3: Cross multiply
    704,787.47x = 1,057,171.76 × 172,313.09
  4. Step 4: Simplify right side
    704,787.47x = 182,164,531,764.77
  5. Step 5: Solve for x
    x = 182,164,531,764.77/704,787.47
  6. Step 6: Final answer
    x = 258,467.32

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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.