Home / 672,377.86-1,008,640.62-335,503.30

Finding the Fourth Proportional to 672,377.86, 1,008,640.62 and 335,503.30

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Solution

The fourth proportional to 672,377.86, 1,008,640.62 and 335,503.30 is: 503,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,377.86 : 1,008,640.62 = 335,503.30 : x
  2. Step 2: Convert to fraction form
    672,377.86/1,008,640.62 = 335,503.30/x
  3. Step 3: Cross multiply
    672,377.86x = 1,008,640.62 × 335,503.30
  4. Step 4: Simplify right side
    672,377.86x = 338,402,256,524.05
  5. Step 5: Solve for x
    x = 338,402,256,524.05/672,377.86
  6. Step 6: Final answer
    x = 503,291.79

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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.