Home / 719,578.38-1,079,685.90-377,941.44

Finding the Fourth Proportional to 719,578.38, 1,079,685.90 and 377,941.44

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Solution

The fourth proportional to 719,578.38, 1,079,685.90 and 377,941.44 is: 567,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,578.38 : 1,079,685.90 = 377,941.44 : x
  2. Step 2: Convert to fraction form
    719,578.38/1,079,685.90 = 377,941.44/x
  3. Step 3: Cross multiply
    719,578.38x = 1,079,685.90 × 377,941.44
  4. Step 4: Simplify right side
    719,578.38x = 408,058,043,793.70
  5. Step 5: Solve for x
    x = 408,058,043,793.70/719,578.38
  6. Step 6: Final answer
    x = 567,079.36

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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.