Home / 902,472.72-1,245,277.80-558,654.48

Finding the Fourth Proportional to 902,472.72, 1,245,277.80 and 558,654.48

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Solution

The fourth proportional to 902,472.72, 1,245,277.80 and 558,654.48 is: 770,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,472.72 : 1,245,277.80 = 558,654.48 : x
  2. Step 2: Convert to fraction form
    902,472.72/1,245,277.80 = 558,654.48/x
  3. Step 3: Cross multiply
    902,472.72x = 1,245,277.80 × 558,654.48
  4. Step 4: Simplify right side
    902,472.72x = 695,680,021,814.54
  5. Step 5: Solve for x
    x = 695,680,021,814.54/902,472.72
  6. Step 6: Final answer
    x = 770,859.89

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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.