Home / 664,043.94-916,288.20-377,532.36

Finding the Fourth Proportional to 664,043.94, 916,288.20 and 377,532.36

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Solution

The fourth proportional to 664,043.94, 916,288.20 and 377,532.36 is: 520,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,043.94 : 916,288.20 = 377,532.36 : x
  2. Step 2: Convert to fraction form
    664,043.94/916,288.20 = 377,532.36/x
  3. Step 3: Cross multiply
    664,043.94x = 916,288.20 × 377,532.36
  4. Step 4: Simplify right side
    664,043.94x = 345,928,446,586.15
  5. Step 5: Solve for x
    x = 345,928,446,586.15/664,043.94
  6. Step 6: Final answer
    x = 520,942.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.