Home / 719,515.44-1,079,085.24-213,940.28

Finding the Fourth Proportional to 719,515.44, 1,079,085.24 and 213,940.28

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Solution

The fourth proportional to 719,515.44, 1,079,085.24 and 213,940.28 is: 320,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,515.44 : 1,079,085.24 = 213,940.28 : x
  2. Step 2: Convert to fraction form
    719,515.44/1,079,085.24 = 213,940.28/x
  3. Step 3: Cross multiply
    719,515.44x = 1,079,085.24 × 213,940.28
  4. Step 4: Simplify right side
    719,515.44x = 230,859,798,389.47
  5. Step 5: Solve for x
    x = 230,859,798,389.47/719,515.44
  6. Step 6: Final answer
    x = 320,854.54

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1.5x scale

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.