Home / 881,684.28-1,216,737.64-494,585.50

Finding the Fourth Proportional to 881,684.28, 1,216,737.64 and 494,585.50

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Solution

The fourth proportional to 881,684.28, 1,216,737.64 and 494,585.50 is: 682,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,684.28 : 1,216,737.64 = 494,585.50 : x
  2. Step 2: Convert to fraction form
    881,684.28/1,216,737.64 = 494,585.50/x
  3. Step 3: Cross multiply
    881,684.28x = 1,216,737.64 × 494,585.50
  4. Step 4: Simplify right side
    881,684.28x = 601,780,794,048.22
  5. Step 5: Solve for x
    x = 601,780,794,048.22/881,684.28
  6. Step 6: Final answer
    x = 682,535.47

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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.