Home / 947,912.84-1,308,120.82-545,505.16

Finding the Fourth Proportional to 947,912.84, 1,308,120.82 and 545,505.16

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Solution

The fourth proportional to 947,912.84, 1,308,120.82 and 545,505.16 is: 752,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,912.84 : 1,308,120.82 = 545,505.16 : x
  2. Step 2: Convert to fraction form
    947,912.84/1,308,120.82 = 545,505.16/x
  3. Step 3: Cross multiply
    947,912.84x = 1,308,120.82 × 545,505.16
  4. Step 4: Simplify right side
    947,912.84x = 713,586,657,213.43
  5. Step 5: Solve for x
    x = 713,586,657,213.43/947,912.84
  6. Step 6: Final answer
    x = 752,797.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.