Home / 737,786.05-1,018,146.87-427,748.90

Finding the Fourth Proportional to 737,786.05, 1,018,146.87 and 427,748.90

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Solution

The fourth proportional to 737,786.05, 1,018,146.87 and 427,748.90 is: 590,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,786.05 : 1,018,146.87 = 427,748.90 : x
  2. Step 2: Convert to fraction form
    737,786.05/1,018,146.87 = 427,748.90/x
  3. Step 3: Cross multiply
    737,786.05x = 1,018,146.87 × 427,748.90
  4. Step 4: Simplify right side
    737,786.05x = 435,511,198,590.21
  5. Step 5: Solve for x
    x = 435,511,198,590.21/737,786.05
  6. Step 6: Final answer
    x = 590,294.71

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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.