Home / 397,974.25-596,491.16-393,534.64

Finding the Fourth Proportional to 397,974.25, 596,491.16 and 393,534.64

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Solution

The fourth proportional to 397,974.25, 596,491.16 and 393,534.64 is: 589,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,974.25 : 596,491.16 = 393,534.64 : x
  2. Step 2: Convert to fraction form
    397,974.25/596,491.16 = 393,534.64/x
  3. Step 3: Cross multiply
    397,974.25x = 596,491.16 × 393,534.64
  4. Step 4: Simplify right side
    397,974.25x = 234,739,933,406.39
  5. Step 5: Solve for x
    x = 234,739,933,406.39/397,974.25
  6. Step 6: Final answer
    x = 589,836.99

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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.