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Finding the Fourth Proportional to 508,593.78, 701,787.78 and 304,596.90

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Solution

The fourth proportional to 508,593.78, 701,787.78 and 304,596.90 is: 420,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,593.78 : 701,787.78 = 304,596.90 : x
  2. Step 2: Convert to fraction form
    508,593.78/701,787.78 = 304,596.90/x
  3. Step 3: Cross multiply
    508,593.78x = 701,787.78 × 304,596.90
  4. Step 4: Simplify right side
    508,593.78x = 213,762,382,245.88
  5. Step 5: Solve for x
    x = 213,762,382,245.88/508,593.78
  6. Step 6: Final answer
    x = 420,300.82

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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.