Home / 905,076.62-1,356,460.78-424,243.83

Finding the Fourth Proportional to 905,076.62, 1,356,460.78 and 424,243.83

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Solution

The fourth proportional to 905,076.62, 1,356,460.78 and 424,243.83 is: 635,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,076.62 : 1,356,460.78 = 424,243.83 : x
  2. Step 2: Convert to fraction form
    905,076.62/1,356,460.78 = 424,243.83/x
  3. Step 3: Cross multiply
    905,076.62x = 1,356,460.78 × 424,243.83
  4. Step 4: Simplify right side
    905,076.62x = 575,470,113,743.47
  5. Step 5: Solve for x
    x = 575,470,113,743.47/905,076.62
  6. Step 6: Final answer
    x = 635,824.75

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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.