Home / 855,162.32-1,282,382.60-256,208.64

Finding the Fourth Proportional to 855,162.32, 1,282,382.60 and 256,208.64

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Solution

The fourth proportional to 855,162.32, 1,282,382.60 and 256,208.64 is: 384,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,162.32 : 1,282,382.60 = 256,208.64 : x
  2. Step 2: Convert to fraction form
    855,162.32/1,282,382.60 = 256,208.64/x
  3. Step 3: Cross multiply
    855,162.32x = 1,282,382.60 × 256,208.64
  4. Step 4: Simplify right side
    855,162.32x = 328,557,501,905.66
  5. Step 5: Solve for x
    x = 328,557,501,905.66/855,162.32
  6. Step 6: Final answer
    x = 384,204.84

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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.