Home / 718,221.33-1,077,578.03-245,238.84

Finding the Fourth Proportional to 718,221.33, 1,077,578.03 and 245,238.84

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Solution

The fourth proportional to 718,221.33, 1,077,578.03 and 245,238.84 is: 367,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,221.33 : 1,077,578.03 = 245,238.84 : x
  2. Step 2: Convert to fraction form
    718,221.33/1,077,578.03 = 245,238.84/x
  3. Step 3: Cross multiply
    718,221.33x = 1,077,578.03 × 245,238.84
  4. Step 4: Simplify right side
    718,221.33x = 264,263,986,699.78
  5. Step 5: Solve for x
    x = 264,263,986,699.78/718,221.33
  6. Step 6: Final answer
    x = 367,942.27

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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.