Home / 831,917.06-1,247,875.60-270,951.56

Finding the Fourth Proportional to 831,917.06, 1,247,875.60 and 270,951.56

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Solution

The fourth proportional to 831,917.06, 1,247,875.60 and 270,951.56 is: 406,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,917.06 : 1,247,875.60 = 270,951.56 : x
  2. Step 2: Convert to fraction form
    831,917.06/1,247,875.60 = 270,951.56/x
  3. Step 3: Cross multiply
    831,917.06x = 1,247,875.60 × 270,951.56
  4. Step 4: Simplify right side
    831,917.06x = 338,113,840,505.94
  5. Step 5: Solve for x
    x = 338,113,840,505.94/831,917.06
  6. Step 6: Final answer
    x = 406,427.34

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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.