Home / 821,558.48-1,232,151.41-371,982.56

Finding the Fourth Proportional to 821,558.48, 1,232,151.41 and 371,982.56

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Solution

The fourth proportional to 821,558.48, 1,232,151.41 and 371,982.56 is: 557,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,558.48 : 1,232,151.41 = 371,982.56 : x
  2. Step 2: Convert to fraction form
    821,558.48/1,232,151.41 = 371,982.56/x
  3. Step 3: Cross multiply
    821,558.48x = 1,232,151.41 × 371,982.56
  4. Step 4: Simplify right side
    821,558.48x = 458,338,830,568.61
  5. Step 5: Solve for x
    x = 458,338,830,568.61/821,558.48
  6. Step 6: Final answer
    x = 557,889.48

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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.