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Finding the Fourth Proportional to 576,783.53, 864,706.91 and 240,076.22

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Solution

The fourth proportional to 576,783.53, 864,706.91 and 240,076.22 is: 359,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,783.53 : 864,706.91 = 240,076.22 : x
  2. Step 2: Convert to fraction form
    576,783.53/864,706.91 = 240,076.22/x
  3. Step 3: Cross multiply
    576,783.53x = 864,706.91 × 240,076.22
  4. Step 4: Simplify right side
    576,783.53x = 207,595,560,836.77
  5. Step 5: Solve for x
    x = 207,595,560,836.77/576,783.53
  6. Step 6: Final answer
    x = 359,919.37

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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.