Home / 821,559.98-1,232,153.66-371,984.06

Finding the Fourth Proportional to 821,559.98, 1,232,153.66 and 371,984.06

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Solution

The fourth proportional to 821,559.98, 1,232,153.66 and 371,984.06 is: 557,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,559.98 : 1,232,153.66 = 371,984.06 : x
  2. Step 2: Convert to fraction form
    821,559.98/1,232,153.66 = 371,984.06/x
  3. Step 3: Cross multiply
    821,559.98x = 1,232,153.66 × 371,984.06
  4. Step 4: Simplify right side
    821,559.98x = 458,341,512,969.97
  5. Step 5: Solve for x
    x = 458,341,512,969.97/821,559.98
  6. Step 6: Final answer
    x = 557,891.73

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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.