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Finding the Fourth Proportional to 647,527.95, 970,738.11 and 248,455.14

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Solution

The fourth proportional to 647,527.95, 970,738.11 and 248,455.14 is: 372,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,527.95 : 970,738.11 = 248,455.14 : x
  2. Step 2: Convert to fraction form
    647,527.95/970,738.11 = 248,455.14/x
  3. Step 3: Cross multiply
    647,527.95x = 970,738.11 × 248,455.14
  4. Step 4: Simplify right side
    647,527.95x = 241,184,873,023.39
  5. Step 5: Solve for x
    x = 241,184,873,023.39/647,527.95
  6. Step 6: Final answer
    x = 372,470.21

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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.