Home / 945,661.28-1,418,339.61-271,589.27

Finding the Fourth Proportional to 945,661.28, 1,418,339.61 and 271,589.27

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Solution

The fourth proportional to 945,661.28, 1,418,339.61 and 271,589.27 is: 407,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,661.28 : 1,418,339.61 = 271,589.27 : x
  2. Step 2: Convert to fraction form
    945,661.28/1,418,339.61 = 271,589.27/x
  3. Step 3: Cross multiply
    945,661.28x = 1,418,339.61 × 271,589.27
  4. Step 4: Simplify right side
    945,661.28x = 385,205,812,200.29
  5. Step 5: Solve for x
    x = 385,205,812,200.29/945,661.28
  6. Step 6: Final answer
    x = 407,340.16

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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.