Home / 881,777.22-1,320,422.31-581,346.28

Finding the Fourth Proportional to 881,777.22, 1,320,422.31 and 581,346.28

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Solution

The fourth proportional to 881,777.22, 1,320,422.31 and 581,346.28 is: 870,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,777.22 : 1,320,422.31 = 581,346.28 : x
  2. Step 2: Convert to fraction form
    881,777.22/1,320,422.31 = 581,346.28/x
  3. Step 3: Cross multiply
    881,777.22x = 1,320,422.31 × 581,346.28
  4. Step 4: Simplify right side
    881,777.22x = 767,622,597,947.51
  5. Step 5: Solve for x
    x = 767,622,597,947.51/881,777.22
  6. Step 6: Final answer
    x = 870,540.29

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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.