Home / 988,819.35-1,483,097.86-278,904.57

Finding the Fourth Proportional to 988,819.35, 1,483,097.86 and 278,904.57

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Solution

The fourth proportional to 988,819.35, 1,483,097.86 and 278,904.57 is: 418,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,819.35 : 1,483,097.86 = 278,904.57 : x
  2. Step 2: Convert to fraction form
    988,819.35/1,483,097.86 = 278,904.57/x
  3. Step 3: Cross multiply
    988,819.35x = 1,483,097.86 × 278,904.57
  4. Step 4: Simplify right side
    988,819.35x = 413,642,770,911.22
  5. Step 5: Solve for x
    x = 413,642,770,911.22/988,819.35
  6. Step 6: Final answer
    x = 418,319.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.