Home / 831,553.25-1,147,474.76-469,066.20

Finding the Fourth Proportional to 831,553.25, 1,147,474.76 and 469,066.20

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Solution

The fourth proportional to 831,553.25, 1,147,474.76 and 469,066.20 is: 647,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,553.25 : 1,147,474.76 = 469,066.20 : x
  2. Step 2: Convert to fraction form
    831,553.25/1,147,474.76 = 469,066.20/x
  3. Step 3: Cross multiply
    831,553.25x = 1,147,474.76 × 469,066.20
  4. Step 4: Simplify right side
    831,553.25x = 538,241,622,923.78
  5. Step 5: Solve for x
    x = 538,241,622,923.78/831,553.25
  6. Step 6: Final answer
    x = 647,272.59

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Double scale
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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.