Home / 776,148.57-1,164,223.17-349,185.78

Finding the Fourth Proportional to 776,148.57, 1,164,223.17 and 349,185.78

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Solution

The fourth proportional to 776,148.57, 1,164,223.17 and 349,185.78 is: 523,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,148.57 : 1,164,223.17 = 349,185.78 : x
  2. Step 2: Convert to fraction form
    776,148.57/1,164,223.17 = 349,185.78/x
  3. Step 3: Cross multiply
    776,148.57x = 1,164,223.17 × 349,185.78
  4. Step 4: Simplify right side
    776,148.57x = 406,530,175,710.52
  5. Step 5: Solve for x
    x = 406,530,175,710.52/776,148.57
  6. Step 6: Final answer
    x = 523,778.81

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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.