Home / 672,432.91-1,008,889.13-335,443.75

Finding the Fourth Proportional to 672,432.91, 1,008,889.13 and 335,443.75

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Solution

The fourth proportional to 672,432.91, 1,008,889.13 and 335,443.75 is: 503,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,432.91 : 1,008,889.13 = 335,443.75 : x
  2. Step 2: Convert to fraction form
    672,432.91/1,008,889.13 = 335,443.75/x
  3. Step 3: Cross multiply
    672,432.91x = 1,008,889.13 × 335,443.75
  4. Step 4: Simplify right side
    672,432.91x = 338,425,553,101.44
  5. Step 5: Solve for x
    x = 338,425,553,101.44/672,432.91
  6. Step 6: Final answer
    x = 503,285.23

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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.