Home / 757,737.71-1,135,837.44-647,131.53

Finding the Fourth Proportional to 757,737.71, 1,135,837.44 and 647,131.53

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Solution

The fourth proportional to 757,737.71, 1,135,837.44 and 647,131.53 is: 970,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,737.71 : 1,135,837.44 = 647,131.53 : x
  2. Step 2: Convert to fraction form
    757,737.71/1,135,837.44 = 647,131.53/x
  3. Step 3: Cross multiply
    757,737.71x = 1,135,837.44 × 647,131.53
  4. Step 4: Simplify right side
    757,737.71x = 735,036,220,378.48
  5. Step 5: Solve for x
    x = 735,036,220,378.48/757,737.71
  6. Step 6: Final answer
    x = 970,040.44

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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.