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Finding the Fourth Proportional to 622,757.80, 934,007.10 and 173,362.60

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Solution

The fourth proportional to 622,757.80, 934,007.10 and 173,362.60 is: 260,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,757.80 : 934,007.10 = 173,362.60 : x
  2. Step 2: Convert to fraction form
    622,757.80/934,007.10 = 173,362.60/x
  3. Step 3: Cross multiply
    622,757.80x = 934,007.10 × 173,362.60
  4. Step 4: Simplify right side
    622,757.80x = 161,921,899,274.46
  5. Step 5: Solve for x
    x = 161,921,899,274.46/622,757.80
  6. Step 6: Final answer
    x = 260,007.82

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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.