Home / 676,560.82-1,015,174.66-316,756.03

Finding the Fourth Proportional to 676,560.82, 1,015,174.66 and 316,756.03

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Solution

The fourth proportional to 676,560.82, 1,015,174.66 and 316,756.03 is: 475,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,560.82 : 1,015,174.66 = 316,756.03 : x
  2. Step 2: Convert to fraction form
    676,560.82/1,015,174.66 = 316,756.03/x
  3. Step 3: Cross multiply
    676,560.82x = 1,015,174.66 × 316,756.03
  4. Step 4: Simplify right side
    676,560.82x = 321,562,689,982.33
  5. Step 5: Solve for x
    x = 321,562,689,982.33/676,560.82
  6. Step 6: Final answer
    x = 475,290.14

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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.