Home / 726,671.34-1,002,791.59-454,889.09

Finding the Fourth Proportional to 726,671.34, 1,002,791.59 and 454,889.09

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Solution

The fourth proportional to 726,671.34, 1,002,791.59 and 454,889.09 is: 627,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,671.34 : 1,002,791.59 = 454,889.09 : x
  2. Step 2: Convert to fraction form
    726,671.34/1,002,791.59 = 454,889.09/x
  3. Step 3: Cross multiply
    726,671.34x = 1,002,791.59 × 454,889.09
  4. Step 4: Simplify right side
    726,671.34x = 456,158,954,942.91
  5. Step 5: Solve for x
    x = 456,158,954,942.91/726,671.34
  6. Step 6: Final answer
    x = 627,737.65

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1.5x scale

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.