Home / 658,839.09-988,632.18-303,853.17

Finding the Fourth Proportional to 658,839.09, 988,632.18 and 303,853.17

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Solution

The fourth proportional to 658,839.09, 988,632.18 and 303,853.17 is: 455,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,839.09 : 988,632.18 = 303,853.17 : x
  2. Step 2: Convert to fraction form
    658,839.09/988,632.18 = 303,853.17/x
  3. Step 3: Cross multiply
    658,839.09x = 988,632.18 × 303,853.17
  4. Step 4: Simplify right side
    658,839.09x = 300,399,021,857.01
  5. Step 5: Solve for x
    x = 300,399,021,857.01/658,839.09
  6. Step 6: Final answer
    x = 455,952.03

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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.