Home / 346,524.20-519,786.30-320,604.20

Finding the Fourth Proportional to 346,524.20, 519,786.30 and 320,604.20

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Solution

The fourth proportional to 346,524.20, 519,786.30 and 320,604.20 is: 480,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,524.20 : 519,786.30 = 320,604.20 : x
  2. Step 2: Convert to fraction form
    346,524.20/519,786.30 = 320,604.20/x
  3. Step 3: Cross multiply
    346,524.20x = 519,786.30 × 320,604.20
  4. Step 4: Simplify right side
    346,524.20x = 166,645,670,882.46
  5. Step 5: Solve for x
    x = 166,645,670,882.46/346,524.20
  6. Step 6: Final answer
    x = 480,906.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.