Home / 468,845.46-647,007.03-253,986.37

Finding the Fourth Proportional to 468,845.46, 647,007.03 and 253,986.37

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Solution

The fourth proportional to 468,845.46, 647,007.03 and 253,986.37 is: 350,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,845.46 : 647,007.03 = 253,986.37 : x
  2. Step 2: Convert to fraction form
    468,845.46/647,007.03 = 253,986.37/x
  3. Step 3: Cross multiply
    468,845.46x = 647,007.03 × 253,986.37
  4. Step 4: Simplify right side
    468,845.46x = 164,330,966,914.18
  5. Step 5: Solve for x
    x = 164,330,966,914.18/468,845.46
  6. Step 6: Final answer
    x = 350,501.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.