Home / 775,311.91-1,163,687.49-396,503.32

Finding the Fourth Proportional to 775,311.91, 1,163,687.49 and 396,503.32

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Solution

The fourth proportional to 775,311.91, 1,163,687.49 and 396,503.32 is: 595,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,311.91 : 1,163,687.49 = 396,503.32 : x
  2. Step 2: Convert to fraction form
    775,311.91/1,163,687.49 = 396,503.32/x
  3. Step 3: Cross multiply
    775,311.91x = 1,163,687.49 × 396,503.32
  4. Step 4: Simplify right side
    775,311.91x = 461,405,953,227.47
  5. Step 5: Solve for x
    x = 461,405,953,227.47/775,311.91
  6. Step 6: Final answer
    x = 595,123.00

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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.