Home / 719,391.44-1,078,984.83-293,113.28

Finding the Fourth Proportional to 719,391.44, 1,078,984.83 and 293,113.28

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Solution

The fourth proportional to 719,391.44, 1,078,984.83 and 293,113.28 is: 439,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,391.44 : 1,078,984.83 = 293,113.28 : x
  2. Step 2: Convert to fraction form
    719,391.44/1,078,984.83 = 293,113.28/x
  3. Step 3: Cross multiply
    719,391.44x = 1,078,984.83 × 293,113.28
  4. Step 4: Simplify right side
    719,391.44x = 316,264,782,591.54
  5. Step 5: Solve for x
    x = 316,264,782,591.54/719,391.44
  6. Step 6: Final answer
    x = 439,628.23

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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.