Home / 819,600.76-1,229,105.58-346,322.80

Finding the Fourth Proportional to 819,600.76, 1,229,105.58 and 346,322.80

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Solution

The fourth proportional to 819,600.76, 1,229,105.58 and 346,322.80 is: 519,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,600.76 : 1,229,105.58 = 346,322.80 : x
  2. Step 2: Convert to fraction form
    819,600.76/1,229,105.58 = 346,322.80/x
  3. Step 3: Cross multiply
    819,600.76x = 1,229,105.58 × 346,322.80
  4. Step 4: Simplify right side
    819,600.76x = 425,667,285,961.22
  5. Step 5: Solve for x
    x = 425,667,285,961.22/819,600.76
  6. Step 6: Final answer
    x = 519,359.31

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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.