Home / 718,819.97-1,077,825.35-238,790.79

Finding the Fourth Proportional to 718,819.97, 1,077,825.35 and 238,790.79

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Solution

The fourth proportional to 718,819.97, 1,077,825.35 and 238,790.79 is: 358,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,819.97 : 1,077,825.35 = 238,790.79 : x
  2. Step 2: Convert to fraction form
    718,819.97/1,077,825.35 = 238,790.79/x
  3. Step 3: Cross multiply
    718,819.97x = 1,077,825.35 × 238,790.79
  4. Step 4: Simplify right side
    718,819.97x = 257,374,767,405.50
  5. Step 5: Solve for x
    x = 257,374,767,405.50/718,819.97
  6. Step 6: Final answer
    x = 358,051.78

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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.