Home / 679,300.83-936,447.17-474,716.57

Finding the Fourth Proportional to 679,300.83, 936,447.17 and 474,716.57

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Solution

The fourth proportional to 679,300.83, 936,447.17 and 474,716.57 is: 654,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,300.83 : 936,447.17 = 474,716.57 : x
  2. Step 2: Convert to fraction form
    679,300.83/936,447.17 = 474,716.57/x
  3. Step 3: Cross multiply
    679,300.83x = 936,447.17 × 474,716.57
  4. Step 4: Simplify right side
    679,300.83x = 444,546,981,472.79
  5. Step 5: Solve for x
    x = 444,546,981,472.79/679,300.83
  6. Step 6: Final answer
    x = 654,418.43

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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.