Home / 704,638.10-1,056,947.91-172,163.75

Finding the Fourth Proportional to 704,638.10, 1,056,947.91 and 172,163.75

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Solution

The fourth proportional to 704,638.10, 1,056,947.91 and 172,163.75 is: 258,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,638.10 : 1,056,947.91 = 172,163.75 : x
  2. Step 2: Convert to fraction form
    704,638.10/1,056,947.91 = 172,163.75/x
  3. Step 3: Cross multiply
    704,638.10x = 1,056,947.91 × 172,163.75
  4. Step 4: Simplify right side
    704,638.10x = 181,968,110,455.52
  5. Step 5: Solve for x
    x = 181,968,110,455.52/704,638.10
  6. Step 6: Final answer
    x = 258,243.36

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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.