Home / 668,176.88-1,001,789.17-312,997.14

Finding the Fourth Proportional to 668,176.88, 1,001,789.17 and 312,997.14

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Solution

The fourth proportional to 668,176.88, 1,001,789.17 and 312,997.14 is: 469,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,176.88 : 1,001,789.17 = 312,997.14 : x
  2. Step 2: Convert to fraction form
    668,176.88/1,001,789.17 = 312,997.14/x
  3. Step 3: Cross multiply
    668,176.88x = 1,001,789.17 × 312,997.14
  4. Step 4: Simplify right side
    668,176.88x = 313,557,144,310.48
  5. Step 5: Solve for x
    x = 313,557,144,310.48/668,176.88
  6. Step 6: Final answer
    x = 469,272.67

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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.