Home / 719,519.22-1,079,090.78-213,944.04

Finding the Fourth Proportional to 719,519.22, 1,079,090.78 and 213,944.04

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Solution

The fourth proportional to 719,519.22, 1,079,090.78 and 213,944.04 is: 320,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,519.22 : 1,079,090.78 = 213,944.04 : x
  2. Step 2: Convert to fraction form
    719,519.22/1,079,090.78 = 213,944.04/x
  3. Step 3: Cross multiply
    719,519.22x = 1,079,090.78 × 213,944.04
  4. Step 4: Simplify right side
    719,519.22x = 230,865,039,930.23
  5. Step 5: Solve for x
    x = 230,865,039,930.23/719,519.22
  6. Step 6: Final answer
    x = 320,860.14

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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.