Home / 902,866.28-1,245,947.52-494,960.71

Finding the Fourth Proportional to 902,866.28, 1,245,947.52 and 494,960.71

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Solution

The fourth proportional to 902,866.28, 1,245,947.52 and 494,960.71 is: 683,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,866.28 : 1,245,947.52 = 494,960.71 : x
  2. Step 2: Convert to fraction form
    902,866.28/1,245,947.52 = 494,960.71/x
  3. Step 3: Cross multiply
    902,866.28x = 1,245,947.52 × 494,960.71
  4. Step 4: Simplify right side
    902,866.28x = 616,695,072,535.48
  5. Step 5: Solve for x
    x = 616,695,072,535.48/902,866.28
  6. Step 6: Final answer
    x = 683,041.43

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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.