Home / 884,609.78-1,220,755.11-502,636.56

Finding the Fourth Proportional to 884,609.78, 1,220,755.11 and 502,636.56

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Solution

The fourth proportional to 884,609.78, 1,220,755.11 and 502,636.56 is: 693,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,609.78 : 1,220,755.11 = 502,636.56 : x
  2. Step 2: Convert to fraction form
    884,609.78/1,220,755.11 = 502,636.56/x
  3. Step 3: Cross multiply
    884,609.78x = 1,220,755.11 × 502,636.56
  4. Step 4: Simplify right side
    884,609.78x = 613,596,149,092.82
  5. Step 5: Solve for x
    x = 613,596,149,092.82/884,609.78
  6. Step 6: Final answer
    x = 693,634.82

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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.