Home / 831,268.60-1,246,902.90-270,359.80

Finding the Fourth Proportional to 831,268.60, 1,246,902.90 and 270,359.80

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Solution

The fourth proportional to 831,268.60, 1,246,902.90 and 270,359.80 is: 405,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,268.60 : 1,246,902.90 = 270,359.80 : x
  2. Step 2: Convert to fraction form
    831,268.60/1,246,902.90 = 270,359.80/x
  3. Step 3: Cross multiply
    831,268.60x = 1,246,902.90 × 270,359.80
  4. Step 4: Simplify right side
    831,268.60x = 337,112,418,663.42
  5. Step 5: Solve for x
    x = 337,112,418,663.42/831,268.60
  6. Step 6: Final answer
    x = 405,539.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.