Home / 853,209.25-1,280,024.38-254,168.08

Finding the Fourth Proportional to 853,209.25, 1,280,024.38 and 254,168.08

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Solution

The fourth proportional to 853,209.25, 1,280,024.38 and 254,168.08 is: 381,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,209.25 : 1,280,024.38 = 254,168.08 : x
  2. Step 2: Convert to fraction form
    853,209.25/1,280,024.38 = 254,168.08/x
  3. Step 3: Cross multiply
    853,209.25x = 1,280,024.38 × 254,168.08
  4. Step 4: Simplify right side
    853,209.25x = 325,341,338,382.37
  5. Step 5: Solve for x
    x = 325,341,338,382.37/853,209.25
  6. Step 6: Final answer
    x = 381,314.83

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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.