Home / 988,796.46-1,483,063.38-278,881.68

Finding the Fourth Proportional to 988,796.46, 1,483,063.38 and 278,881.68

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Solution

The fourth proportional to 988,796.46, 1,483,063.38 and 278,881.68 is: 418,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,796.46 : 1,483,063.38 = 278,881.68 : x
  2. Step 2: Convert to fraction form
    988,796.46/1,483,063.38 = 278,881.68/x
  3. Step 3: Cross multiply
    988,796.46x = 1,483,063.38 × 278,881.68
  4. Step 4: Simplify right side
    988,796.46x = 413,599,206,960.88
  5. Step 5: Solve for x
    x = 413,599,206,960.88/988,796.46
  6. Step 6: Final answer
    x = 418,285.49

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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.