Home / 719,577.38-1,079,684.40-377,940.44

Finding the Fourth Proportional to 719,577.38, 1,079,684.40 and 377,940.44

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Solution

The fourth proportional to 719,577.38, 1,079,684.40 and 377,940.44 is: 567,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,577.38 : 1,079,684.40 = 377,940.44 : x
  2. Step 2: Convert to fraction form
    719,577.38/1,079,684.40 = 377,940.44/x
  3. Step 3: Cross multiply
    719,577.38x = 1,079,684.40 × 377,940.44
  4. Step 4: Simplify right side
    719,577.38x = 408,056,397,197.14
  5. Step 5: Solve for x
    x = 408,056,397,197.14/719,577.38
  6. Step 6: Final answer
    x = 567,077.86

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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.