Home / 659,731.33-989,615.45-233,206.87

Finding the Fourth Proportional to 659,731.33, 989,615.45 and 233,206.87

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Solution

The fourth proportional to 659,731.33, 989,615.45 and 233,206.87 is: 349,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,731.33 : 989,615.45 = 233,206.87 : x
  2. Step 2: Convert to fraction form
    659,731.33/989,615.45 = 233,206.87/x
  3. Step 3: Cross multiply
    659,731.33x = 989,615.45 × 233,206.87
  4. Step 4: Simplify right side
    659,731.33x = 230,785,123,690.05
  5. Step 5: Solve for x
    x = 230,785,123,690.05/659,731.33
  6. Step 6: Final answer
    x = 349,816.83

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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.