Home / 719,118.45-1,078,397.30-269,594.27

Finding the Fourth Proportional to 719,118.45, 1,078,397.30 and 269,594.27

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Solution

The fourth proportional to 719,118.45, 1,078,397.30 and 269,594.27 is: 404,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,118.45 : 1,078,397.30 = 269,594.27 : x
  2. Step 2: Convert to fraction form
    719,118.45/1,078,397.30 = 269,594.27/x
  3. Step 3: Cross multiply
    719,118.45x = 1,078,397.30 × 269,594.27
  4. Step 4: Simplify right side
    719,118.45x = 290,729,726,123.51
  5. Step 5: Solve for x
    x = 290,729,726,123.51/719,118.45
  6. Step 6: Final answer
    x = 404,286.28

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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.