Home / 726,959.61-1,090,361.66-253,653.93

Finding the Fourth Proportional to 726,959.61, 1,090,361.66 and 253,653.93

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Solution

The fourth proportional to 726,959.61, 1,090,361.66 and 253,653.93 is: 380,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,959.61 : 1,090,361.66 = 253,653.93 : x
  2. Step 2: Convert to fraction form
    726,959.61/1,090,361.66 = 253,653.93/x
  3. Step 3: Cross multiply
    726,959.61x = 1,090,361.66 × 253,653.93
  4. Step 4: Simplify right side
    726,959.61x = 276,574,518,912.05
  5. Step 5: Solve for x
    x = 276,574,518,912.05/726,959.61
  6. Step 6: Final answer
    x = 380,453.76

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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.