Home / 896,406.94-1,344,872.72-289,183.56

Finding the Fourth Proportional to 896,406.94, 1,344,872.72 and 289,183.56

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Solution

The fourth proportional to 896,406.94, 1,344,872.72 and 289,183.56 is: 433,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,406.94 : 1,344,872.72 = 289,183.56 : x
  2. Step 2: Convert to fraction form
    896,406.94/1,344,872.72 = 289,183.56/x
  3. Step 3: Cross multiply
    896,406.94x = 1,344,872.72 × 289,183.56
  4. Step 4: Simplify right side
    896,406.94x = 388,915,080,916.48
  5. Step 5: Solve for x
    x = 388,915,080,916.48/896,406.94
  6. Step 6: Final answer
    x = 433,859.96

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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.