Home / 945,978.44-1,305,480.60-538,069.76

Finding the Fourth Proportional to 945,978.44, 1,305,480.60 and 538,069.76

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Solution

The fourth proportional to 945,978.44, 1,305,480.60 and 538,069.76 is: 742,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,978.44 : 1,305,480.60 = 538,069.76 : x
  2. Step 2: Convert to fraction form
    945,978.44/1,305,480.60 = 538,069.76/x
  3. Step 3: Cross multiply
    945,978.44x = 1,305,480.60 × 538,069.76
  4. Step 4: Simplify right side
    945,978.44x = 702,439,633,126.66
  5. Step 5: Solve for x
    x = 702,439,633,126.66/945,978.44
  6. Step 6: Final answer
    x = 742,553.53

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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.