Home / 719,515.60-1,079,085.32-213,940.42

Finding the Fourth Proportional to 719,515.60, 1,079,085.32 and 213,940.42

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Solution

The fourth proportional to 719,515.60, 1,079,085.32 and 213,940.42 is: 320,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,515.60 : 1,079,085.32 = 213,940.42 : x
  2. Step 2: Convert to fraction form
    719,515.60/1,079,085.32 = 213,940.42/x
  3. Step 3: Cross multiply
    719,515.60x = 1,079,085.32 × 213,940.42
  4. Step 4: Simplify right side
    719,515.60x = 230,859,966,576.63
  5. Step 5: Solve for x
    x = 230,859,966,576.63/719,515.60
  6. Step 6: Final answer
    x = 320,854.71

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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.