Home / 672,013.94-1,008,168.39-493,981.20

Finding the Fourth Proportional to 672,013.94, 1,008,168.39 and 493,981.20

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Solution

The fourth proportional to 672,013.94, 1,008,168.39 and 493,981.20 is: 741,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,013.94 : 1,008,168.39 = 493,981.20 : x
  2. Step 2: Convert to fraction form
    672,013.94/1,008,168.39 = 493,981.20/x
  3. Step 3: Cross multiply
    672,013.94x = 1,008,168.39 × 493,981.20
  4. Step 4: Simplify right side
    672,013.94x = 498,016,231,094.27
  5. Step 5: Solve for x
    x = 498,016,231,094.27/672,013.94
  6. Step 6: Final answer
    x = 741,080.21

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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.