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Finding the Fourth Proportional to 568,351.86, 784,208.49 and 326,587.73

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Solution

The fourth proportional to 568,351.86, 784,208.49 and 326,587.73 is: 450,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,351.86 : 784,208.49 = 326,587.73 : x
  2. Step 2: Convert to fraction form
    568,351.86/784,208.49 = 326,587.73/x
  3. Step 3: Cross multiply
    568,351.86x = 784,208.49 × 326,587.73
  4. Step 4: Simplify right side
    568,351.86x = 256,112,868,635.31
  5. Step 5: Solve for x
    x = 256,112,868,635.31/568,351.86
  6. Step 6: Final answer
    x = 450,623.79

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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.