Home / 778,163.41-1,167,770.18-304,789.69

Finding the Fourth Proportional to 778,163.41, 1,167,770.18 and 304,789.69

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Solution

The fourth proportional to 778,163.41, 1,167,770.18 and 304,789.69 is: 457,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,163.41 : 1,167,770.18 = 304,789.69 : x
  2. Step 2: Convert to fraction form
    778,163.41/1,167,770.18 = 304,789.69/x
  3. Step 3: Cross multiply
    778,163.41x = 1,167,770.18 × 304,789.69
  4. Step 4: Simplify right side
    778,163.41x = 355,924,309,629.50
  5. Step 5: Solve for x
    x = 355,924,309,629.50/778,163.41
  6. Step 6: Final answer
    x = 457,390.19

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1.5x scale

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.