Home / 719,563.64-1,079,157.27-213,988.37

Finding the Fourth Proportional to 719,563.64, 1,079,157.27 and 213,988.37

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Solution

The fourth proportional to 719,563.64, 1,079,157.27 and 213,988.37 is: 320,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,563.64 : 1,079,157.27 = 213,988.37 : x
  2. Step 2: Convert to fraction form
    719,563.64/1,079,157.27 = 213,988.37/x
  3. Step 3: Cross multiply
    719,563.64x = 1,079,157.27 × 213,988.37
  4. Step 4: Simplify right side
    719,563.64x = 230,927,105,180.95
  5. Step 5: Solve for x
    x = 230,927,105,180.95/719,563.64
  6. Step 6: Final answer
    x = 320,926.59

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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.