Home / 902,463.72-1,245,265.38-558,645.48

Finding the Fourth Proportional to 902,463.72, 1,245,265.38 and 558,645.48

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Solution

The fourth proportional to 902,463.72, 1,245,265.38 and 558,645.48 is: 770,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,463.72 : 1,245,265.38 = 558,645.48 : x
  2. Step 2: Convert to fraction form
    902,463.72/1,245,265.38 = 558,645.48/x
  3. Step 3: Cross multiply
    902,463.72x = 1,245,265.38 × 558,645.48
  4. Step 4: Simplify right side
    902,463.72x = 695,661,875,937.48
  5. Step 5: Solve for x
    x = 695,661,875,937.48/902,463.72
  6. Step 6: Final answer
    x = 770,847.47

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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.