Home / 778,092.05-1,073,775.22-438,560.30

Finding the Fourth Proportional to 778,092.05, 1,073,775.22 and 438,560.30

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Solution

The fourth proportional to 778,092.05, 1,073,775.22 and 438,560.30 is: 605,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,092.05 : 1,073,775.22 = 438,560.30 : x
  2. Step 2: Convert to fraction form
    778,092.05/1,073,775.22 = 438,560.30/x
  3. Step 3: Cross multiply
    778,092.05x = 1,073,775.22 × 438,560.30
  4. Step 4: Simplify right side
    778,092.05x = 470,915,184,203.80
  5. Step 5: Solve for x
    x = 470,915,184,203.80/778,092.05
  6. Step 6: Final answer
    x = 605,217.83

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1.5x scale

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.