Home / 853,290.36-1,280,009.04-222,205.32

Finding the Fourth Proportional to 853,290.36, 1,280,009.04 and 222,205.32

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Solution

The fourth proportional to 853,290.36, 1,280,009.04 and 222,205.32 is: 333,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,290.36 : 1,280,009.04 = 222,205.32 : x
  2. Step 2: Convert to fraction form
    853,290.36/1,280,009.04 = 222,205.32/x
  3. Step 3: Cross multiply
    853,290.36x = 1,280,009.04 × 222,205.32
  4. Step 4: Simplify right side
    853,290.36x = 284,424,818,336.09
  5. Step 5: Solve for x
    x = 284,424,818,336.09/853,290.36
  6. Step 6: Final answer
    x = 333,327.12

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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.