Home / 718,583.54-1,076,917.41-339,604.79

Finding the Fourth Proportional to 718,583.54, 1,076,917.41 and 339,604.79

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Solution

The fourth proportional to 718,583.54, 1,076,917.41 and 339,604.79 is: 508,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,583.54 : 1,076,917.41 = 339,604.79 : x
  2. Step 2: Convert to fraction form
    718,583.54/1,076,917.41 = 339,604.79/x
  3. Step 3: Cross multiply
    718,583.54x = 1,076,917.41 × 339,604.79
  4. Step 4: Simplify right side
    718,583.54x = 365,726,305,485.81
  5. Step 5: Solve for x
    x = 365,726,305,485.81/718,583.54
  6. Step 6: Final answer
    x = 508,954.47

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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.