Home / 558,227.08-770,331.90-303,578.56

Finding the Fourth Proportional to 558,227.08, 770,331.90 and 303,578.56

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Solution

The fourth proportional to 558,227.08, 770,331.90 and 303,578.56 is: 418,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,227.08 : 770,331.90 = 303,578.56 : x
  2. Step 2: Convert to fraction form
    558,227.08/770,331.90 = 303,578.56/x
  3. Step 3: Cross multiply
    558,227.08x = 770,331.90 × 303,578.56
  4. Step 4: Simplify right side
    558,227.08x = 233,856,248,924.06
  5. Step 5: Solve for x
    x = 233,856,248,924.06/558,227.08
  6. Step 6: Final answer
    x = 418,926.74

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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.