Home / 646,942.98-892,784.97-375,172.23

Finding the Fourth Proportional to 646,942.98, 892,784.97 and 375,172.23

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Solution

The fourth proportional to 646,942.98, 892,784.97 and 375,172.23 is: 517,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,942.98 : 892,784.97 = 375,172.23 : x
  2. Step 2: Convert to fraction form
    646,942.98/892,784.97 = 375,172.23/x
  3. Step 3: Cross multiply
    646,942.98x = 892,784.97 × 375,172.23
  4. Step 4: Simplify right side
    646,942.98x = 334,948,131,453.33
  5. Step 5: Solve for x
    x = 334,948,131,453.33/646,942.98
  6. Step 6: Final answer
    x = 517,739.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.