Home / 805,164.73-1,111,129.64-461,005.94

Finding the Fourth Proportional to 805,164.73, 1,111,129.64 and 461,005.94

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Solution

The fourth proportional to 805,164.73, 1,111,129.64 and 461,005.94 is: 636,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,164.73 : 1,111,129.64 = 461,005.94 : x
  2. Step 2: Convert to fraction form
    805,164.73/1,111,129.64 = 461,005.94/x
  3. Step 3: Cross multiply
    805,164.73x = 1,111,129.64 × 461,005.94
  4. Step 4: Simplify right side
    805,164.73x = 512,237,361,845.03
  5. Step 5: Solve for x
    x = 512,237,361,845.03/805,164.73
  6. Step 6: Final answer
    x = 636,189.52

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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.