Home / 434,511.42-598,997.43-305,055.78

Finding the Fourth Proportional to 434,511.42, 598,997.43 and 305,055.78

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Solution

The fourth proportional to 434,511.42, 598,997.43 and 305,055.78 is: 420,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,511.42 : 598,997.43 = 305,055.78 : x
  2. Step 2: Convert to fraction form
    434,511.42/598,997.43 = 305,055.78/x
  3. Step 3: Cross multiply
    434,511.42x = 598,997.43 × 305,055.78
  4. Step 4: Simplify right side
    434,511.42x = 182,727,628,226.65
  5. Step 5: Solve for x
    x = 182,727,628,226.65/434,511.42
  6. Step 6: Final answer
    x = 420,535.85

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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.