Home / 523,221.04-722,183.10-308,504.14

Finding the Fourth Proportional to 523,221.04, 722,183.10 and 308,504.14

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Solution

The fourth proportional to 523,221.04, 722,183.10 and 308,504.14 is: 425,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,221.04 : 722,183.10 = 308,504.14 : x
  2. Step 2: Convert to fraction form
    523,221.04/722,183.10 = 308,504.14/x
  3. Step 3: Cross multiply
    523,221.04x = 722,183.10 × 308,504.14
  4. Step 4: Simplify right side
    523,221.04x = 222,796,476,188.03
  5. Step 5: Solve for x
    x = 222,796,476,188.03/523,221.04
  6. Step 6: Final answer
    x = 425,817.12

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1.5x scale

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.