Home / 895,172.82-1,235,354.25-487,286.38

Finding the Fourth Proportional to 895,172.82, 1,235,354.25 and 487,286.38

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Solution

The fourth proportional to 895,172.82, 1,235,354.25 and 487,286.38 is: 672,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,172.82 : 1,235,354.25 = 487,286.38 : x
  2. Step 2: Convert to fraction form
    895,172.82/1,235,354.25 = 487,286.38/x
  3. Step 3: Cross multiply
    895,172.82x = 1,235,354.25 × 487,286.38
  4. Step 4: Simplify right side
    895,172.82x = 601,971,300,500.12
  5. Step 5: Solve for x
    x = 601,971,300,500.12/895,172.82
  6. Step 6: Final answer
    x = 672,463.78

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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.