Home / 543,046.18-749,408.87-301,351.20

Finding the Fourth Proportional to 543,046.18, 749,408.87 and 301,351.20

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Solution

The fourth proportional to 543,046.18, 749,408.87 and 301,351.20 is: 415,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,046.18 : 749,408.87 = 301,351.20 : x
  2. Step 2: Convert to fraction form
    543,046.18/749,408.87 = 301,351.20/x
  3. Step 3: Cross multiply
    543,046.18x = 749,408.87 × 301,351.20
  4. Step 4: Simplify right side
    543,046.18x = 225,835,262,265.14
  5. Step 5: Solve for x
    x = 225,835,262,265.14/543,046.18
  6. Step 6: Final answer
    x = 415,867.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.