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Finding the Fourth Proportional to 631,378.06, 947,060.58 and 364,969.06

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Solution

The fourth proportional to 631,378.06, 947,060.58 and 364,969.06 is: 547,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,378.06 : 947,060.58 = 364,969.06 : x
  2. Step 2: Convert to fraction form
    631,378.06/947,060.58 = 364,969.06/x
  3. Step 3: Cross multiply
    631,378.06x = 947,060.58 × 364,969.06
  4. Step 4: Simplify right side
    631,378.06x = 345,647,809,645.66
  5. Step 5: Solve for x
    x = 345,647,809,645.66/631,378.06
  6. Step 6: Final answer
    x = 547,449.83

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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.