Home / 668,151.70-1,002,227.55-313,857.70

Finding the Fourth Proportional to 668,151.70, 1,002,227.55 and 313,857.70

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Solution

The fourth proportional to 668,151.70, 1,002,227.55 and 313,857.70 is: 470,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,151.70 : 1,002,227.55 = 313,857.70 : x
  2. Step 2: Convert to fraction form
    668,151.70/1,002,227.55 = 313,857.70/x
  3. Step 3: Cross multiply
    668,151.70x = 1,002,227.55 × 313,857.70
  4. Step 4: Simplify right side
    668,151.70x = 314,556,833,719.64
  5. Step 5: Solve for x
    x = 314,556,833,719.64/668,151.70
  6. Step 6: Final answer
    x = 470,786.55

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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.