Home / 640,975.84-960,785.78-241,443.76

Finding the Fourth Proportional to 640,975.84, 960,785.78 and 241,443.76

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Solution

The fourth proportional to 640,975.84, 960,785.78 and 241,443.76 is: 361,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,975.84 : 960,785.78 = 241,443.76 : x
  2. Step 2: Convert to fraction form
    640,975.84/960,785.78 = 241,443.76/x
  3. Step 3: Cross multiply
    640,975.84x = 960,785.78 × 241,443.76
  4. Step 4: Simplify right side
    640,975.84x = 231,975,731,277.73
  5. Step 5: Solve for x
    x = 231,975,731,277.73/640,975.84
  6. Step 6: Final answer
    x = 361,910.26

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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.