Home / 681,658.20-1,022,477.70-307,680.60

Finding the Fourth Proportional to 681,658.20, 1,022,477.70 and 307,680.60

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Solution

The fourth proportional to 681,658.20, 1,022,477.70 and 307,680.60 is: 461,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,658.20 : 1,022,477.70 = 307,680.60 : x
  2. Step 2: Convert to fraction form
    681,658.20/1,022,477.70 = 307,680.60/x
  3. Step 3: Cross multiply
    681,658.20x = 1,022,477.70 × 307,680.60
  4. Step 4: Simplify right side
    681,658.20x = 314,596,552,222.62
  5. Step 5: Solve for x
    x = 314,596,552,222.62/681,658.20
  6. Step 6: Final answer
    x = 461,516.57

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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.