Home / 503,822.82-695,156.10-285,983.04

Finding the Fourth Proportional to 503,822.82, 695,156.10 and 285,983.04

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Solution

The fourth proportional to 503,822.82, 695,156.10 and 285,983.04 is: 394,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,822.82 : 695,156.10 = 285,983.04 : x
  2. Step 2: Convert to fraction form
    503,822.82/695,156.10 = 285,983.04/x
  3. Step 3: Cross multiply
    503,822.82x = 695,156.10 × 285,983.04
  4. Step 4: Simplify right side
    503,822.82x = 198,802,854,752.54
  5. Step 5: Solve for x
    x = 198,802,854,752.54/503,822.82
  6. Step 6: Final answer
    x = 394,588.83

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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.