Home / 483,623.73-721,885.77-447,997.50

Finding the Fourth Proportional to 483,623.73, 721,885.77 and 447,997.50

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Solution

The fourth proportional to 483,623.73, 721,885.77 and 447,997.50 is: 668,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,623.73 : 721,885.77 = 447,997.50 : x
  2. Step 2: Convert to fraction form
    483,623.73/721,885.77 = 447,997.50/x
  3. Step 3: Cross multiply
    483,623.73x = 721,885.77 × 447,997.50
  4. Step 4: Simplify right side
    483,623.73x = 323,403,020,245.58
  5. Step 5: Solve for x
    x = 323,403,020,245.58/483,623.73
  6. Step 6: Final answer
    x = 668,707.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.