Home / 449,890.52-617,544.18-397,761.33

Finding the Fourth Proportional to 449,890.52, 617,544.18 and 397,761.33

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Solution

The fourth proportional to 449,890.52, 617,544.18 and 397,761.33 is: 545,988.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,890.52 : 617,544.18 = 397,761.33 : x
  2. Step 2: Convert to fraction form
    449,890.52/617,544.18 = 397,761.33/x
  3. Step 3: Cross multiply
    449,890.52x = 617,544.18 × 397,761.33
  4. Step 4: Simplify right side
    449,890.52x = 245,635,191,282.84
  5. Step 5: Solve for x
    x = 245,635,191,282.84/449,890.52
  6. Step 6: Final answer
    x = 545,988.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.