Home / 938,081.22-1,406,997.43-264,215.49

Finding the Fourth Proportional to 938,081.22, 1,406,997.43 and 264,215.49

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Solution

The fourth proportional to 938,081.22, 1,406,997.43 and 264,215.49 is: 396,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,081.22 : 1,406,997.43 = 264,215.49 : x
  2. Step 2: Convert to fraction form
    938,081.22/1,406,997.43 = 264,215.49/x
  3. Step 3: Cross multiply
    938,081.22x = 1,406,997.43 × 264,215.49
  4. Step 4: Simplify right side
    938,081.22x = 371,750,515,396.19
  5. Step 5: Solve for x
    x = 371,750,515,396.19/938,081.22
  6. Step 6: Final answer
    x = 396,288.20

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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.