Home / 719,561.64-1,079,154.27-213,986.37

Finding the Fourth Proportional to 719,561.64, 1,079,154.27 and 213,986.37

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Solution

The fourth proportional to 719,561.64, 1,079,154.27 and 213,986.37 is: 320,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,561.64 : 1,079,154.27 = 213,986.37 : x
  2. Step 2: Convert to fraction form
    719,561.64/1,079,154.27 = 213,986.37/x
  3. Step 3: Cross multiply
    719,561.64x = 1,079,154.27 × 213,986.37
  4. Step 4: Simplify right side
    719,561.64x = 230,924,304,907.30
  5. Step 5: Solve for x
    x = 230,924,304,907.30/719,561.64
  6. Step 6: Final answer
    x = 320,923.59

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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.