Home / 881,408.31-1,322,112.90-581,818.87

Finding the Fourth Proportional to 881,408.31, 1,322,112.90 and 581,818.87

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Solution

The fourth proportional to 881,408.31, 1,322,112.90 and 581,818.87 is: 872,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,408.31 : 1,322,112.90 = 581,818.87 : x
  2. Step 2: Convert to fraction form
    881,408.31/1,322,112.90 = 581,818.87/x
  3. Step 3: Cross multiply
    881,408.31x = 1,322,112.90 × 581,818.87
  4. Step 4: Simplify right side
    881,408.31x = 769,230,223,970.76
  5. Step 5: Solve for x
    x = 769,230,223,970.76/881,408.31
  6. Step 6: Final answer
    x = 872,728.59

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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.