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Finding the Fourth Proportional to 647,527.88, 970,737.89 and 248,455.05

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Solution

The fourth proportional to 647,527.88, 970,737.89 and 248,455.05 is: 372,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,527.88 : 970,737.89 = 248,455.05 : x
  2. Step 2: Convert to fraction form
    647,527.88/970,737.89 = 248,455.05/x
  3. Step 3: Cross multiply
    647,527.88x = 970,737.89 × 248,455.05
  4. Step 4: Simplify right side
    647,527.88x = 241,184,729,754.57
  5. Step 5: Solve for x
    x = 241,184,729,754.57/647,527.88
  6. Step 6: Final answer
    x = 372,470.03

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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.