Home / 719,811.30-1,077,452.79-493,850.46

Finding the Fourth Proportional to 719,811.30, 1,077,452.79 and 493,850.46

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Solution

The fourth proportional to 719,811.30, 1,077,452.79 and 493,850.46 is: 739,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,811.30 : 1,077,452.79 = 493,850.46 : x
  2. Step 2: Convert to fraction form
    719,811.30/1,077,452.79 = 493,850.46/x
  3. Step 3: Cross multiply
    719,811.30x = 1,077,452.79 × 493,850.46
  4. Step 4: Simplify right side
    719,811.30x = 532,100,555,969.78
  5. Step 5: Solve for x
    x = 532,100,555,969.78/719,811.30
  6. Step 6: Final answer
    x = 739,222.29

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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.