Home / 880,268.72-1,214,786.31-493,080.87

Finding the Fourth Proportional to 880,268.72, 1,214,786.31 and 493,080.87

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Solution

The fourth proportional to 880,268.72, 1,214,786.31 and 493,080.87 is: 680,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,268.72 : 1,214,786.31 = 493,080.87 : x
  2. Step 2: Convert to fraction form
    880,268.72/1,214,786.31 = 493,080.87/x
  3. Step 3: Cross multiply
    880,268.72x = 1,214,786.31 × 493,080.87
  4. Step 4: Simplify right side
    880,268.72x = 598,987,889,245.69
  5. Step 5: Solve for x
    x = 598,987,889,245.69/880,268.72
  6. Step 6: Final answer
    x = 680,460.27

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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.