Home / 767,682.66-1,059,059.51-445,205.87

Finding the Fourth Proportional to 767,682.66, 1,059,059.51 and 445,205.87

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Solution

The fourth proportional to 767,682.66, 1,059,059.51 and 445,205.87 is: 614,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,682.66 : 1,059,059.51 = 445,205.87 : x
  2. Step 2: Convert to fraction form
    767,682.66/1,059,059.51 = 445,205.87/x
  3. Step 3: Cross multiply
    767,682.66x = 1,059,059.51 × 445,205.87
  4. Step 4: Simplify right side
    767,682.66x = 471,499,508,650.99
  5. Step 5: Solve for x
    x = 471,499,508,650.99/767,682.66
  6. Step 6: Final answer
    x = 614,185.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.