Home / 805,163.73-1,111,128.25-461,004.94

Finding the Fourth Proportional to 805,163.73, 1,111,128.25 and 461,004.94

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Solution

The fourth proportional to 805,163.73, 1,111,128.25 and 461,004.94 is: 636,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,163.73 : 1,111,128.25 = 461,004.94 : x
  2. Step 2: Convert to fraction form
    805,163.73/1,111,128.25 = 461,004.94/x
  3. Step 3: Cross multiply
    805,163.73x = 1,111,128.25 × 461,004.94
  4. Step 4: Simplify right side
    805,163.73x = 512,235,611,849.14
  5. Step 5: Solve for x
    x = 512,235,611,849.14/805,163.73
  6. Step 6: Final answer
    x = 636,188.13

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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.