Home / 445,296.20-666,367.56-276,895.85

Finding the Fourth Proportional to 445,296.20, 666,367.56 and 276,895.85

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Solution

The fourth proportional to 445,296.20, 666,367.56 and 276,895.85 is: 414,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,296.20 : 666,367.56 = 276,895.85 : x
  2. Step 2: Convert to fraction form
    445,296.20/666,367.56 = 276,895.85/x
  3. Step 3: Cross multiply
    445,296.20x = 666,367.56 × 276,895.85
  4. Step 4: Simplify right side
    445,296.20x = 184,514,408,606.79
  5. Step 5: Solve for x
    x = 184,514,408,606.79/445,296.20
  6. Step 6: Final answer
    x = 414,363.32

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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.