Home / 704,858.80-1,057,288.20-172,372.90

Finding the Fourth Proportional to 704,858.80, 1,057,288.20 and 172,372.90

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Solution

The fourth proportional to 704,858.80, 1,057,288.20 and 172,372.90 is: 258,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,858.80 : 1,057,288.20 = 172,372.90 : x
  2. Step 2: Convert to fraction form
    704,858.80/1,057,288.20 = 172,372.90/x
  3. Step 3: Cross multiply
    704,858.80x = 1,057,288.20 × 172,372.90
  4. Step 4: Simplify right side
    704,858.80x = 182,247,833,169.78
  5. Step 5: Solve for x
    x = 182,247,833,169.78/704,858.80
  6. Step 6: Final answer
    x = 258,559.35

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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.