Home / 681,919.50-941,055.48-376,006.80

Finding the Fourth Proportional to 681,919.50, 941,055.48 and 376,006.80

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Solution

The fourth proportional to 681,919.50, 941,055.48 and 376,006.80 is: 518,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,919.50 : 941,055.48 = 376,006.80 : x
  2. Step 2: Convert to fraction form
    681,919.50/941,055.48 = 376,006.80/x
  3. Step 3: Cross multiply
    681,919.50x = 941,055.48 × 376,006.80
  4. Step 4: Simplify right side
    681,919.50x = 353,843,259,657.26
  5. Step 5: Solve for x
    x = 353,843,259,657.26/681,919.50
  6. Step 6: Final answer
    x = 518,893.01

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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.