Home / 855,371.58-1,180,467.57-492,788.85

Finding the Fourth Proportional to 855,371.58, 1,180,467.57 and 492,788.85

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Solution

The fourth proportional to 855,371.58, 1,180,467.57 and 492,788.85 is: 680,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,371.58 : 1,180,467.57 = 492,788.85 : x
  2. Step 2: Convert to fraction form
    855,371.58/1,180,467.57 = 492,788.85/x
  3. Step 3: Cross multiply
    855,371.58x = 1,180,467.57 × 492,788.85
  4. Step 4: Simplify right side
    855,371.58x = 581,721,256,282.60
  5. Step 5: Solve for x
    x = 581,721,256,282.60/855,371.58
  6. Step 6: Final answer
    x = 680,080.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.