Home / 547,828.74-821,666.57-187,993.94

Finding the Fourth Proportional to 547,828.74, 821,666.57 and 187,993.94

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Solution

The fourth proportional to 547,828.74, 821,666.57 and 187,993.94 is: 281,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,828.74 : 821,666.57 = 187,993.94 : x
  2. Step 2: Convert to fraction form
    547,828.74/821,666.57 = 187,993.94/x
  3. Step 3: Cross multiply
    547,828.74x = 821,666.57 × 187,993.94
  4. Step 4: Simplify right side
    547,828.74x = 154,468,330,812.28
  5. Step 5: Solve for x
    x = 154,468,330,812.28/547,828.74
  6. Step 6: Final answer
    x = 281,964.64

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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.