Home / 659,125.39-988,983.47-303,949.03

Finding the Fourth Proportional to 659,125.39, 988,983.47 and 303,949.03

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Solution

The fourth proportional to 659,125.39, 988,983.47 and 303,949.03 is: 456,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,125.39 : 988,983.47 = 303,949.03 : x
  2. Step 2: Convert to fraction form
    659,125.39/988,983.47 = 303,949.03/x
  3. Step 3: Cross multiply
    659,125.39x = 988,983.47 × 303,949.03
  4. Step 4: Simplify right side
    659,125.39x = 300,600,566,392.53
  5. Step 5: Solve for x
    x = 300,600,566,392.53/659,125.39
  6. Step 6: Final answer
    x = 456,059.76

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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.