Home / 704,672.10-1,057,003.07-172,188.23

Finding the Fourth Proportional to 704,672.10, 1,057,003.07 and 172,188.23

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Solution

The fourth proportional to 704,672.10, 1,057,003.07 and 172,188.23 is: 258,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,672.10 : 1,057,003.07 = 172,188.23 : x
  2. Step 2: Convert to fraction form
    704,672.10/1,057,003.07 = 172,188.23/x
  3. Step 3: Cross multiply
    704,672.10x = 1,057,003.07 × 172,188.23
  4. Step 4: Simplify right side
    704,672.10x = 182,003,481,581.91
  5. Step 5: Solve for x
    x = 182,003,481,581.91/704,672.10
  6. Step 6: Final answer
    x = 258,281.09

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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.