Home / 855,713.45-1,284,215.80-585,195.22

Finding the Fourth Proportional to 855,713.45, 1,284,215.80 and 585,195.22

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Solution

The fourth proportional to 855,713.45, 1,284,215.80 and 585,195.22 is: 878,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,713.45 : 1,284,215.80 = 585,195.22 : x
  2. Step 2: Convert to fraction form
    855,713.45/1,284,215.80 = 585,195.22/x
  3. Step 3: Cross multiply
    855,713.45x = 1,284,215.80 × 585,195.22
  4. Step 4: Simplify right side
    855,713.45x = 751,516,947,608.48
  5. Step 5: Solve for x
    x = 751,516,947,608.48/855,713.45
  6. Step 6: Final answer
    x = 878,234.35

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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.