Home / 878,012.35-1,317,144.07-270,851.94

Finding the Fourth Proportional to 878,012.35, 1,317,144.07 and 270,851.94

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Solution

The fourth proportional to 878,012.35, 1,317,144.07 and 270,851.94 is: 406,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,012.35 : 1,317,144.07 = 270,851.94 : x
  2. Step 2: Convert to fraction form
    878,012.35/1,317,144.07 = 270,851.94/x
  3. Step 3: Cross multiply
    878,012.35x = 1,317,144.07 × 270,851.94
  4. Step 4: Simplify right side
    878,012.35x = 356,751,026,619.00
  5. Step 5: Solve for x
    x = 356,751,026,619.00/878,012.35
  6. Step 6: Final answer
    x = 406,316.64

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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.