Home / 831,917.27-1,247,875.96-270,951.77

Finding the Fourth Proportional to 831,917.27, 1,247,875.96 and 270,951.77

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Solution

The fourth proportional to 831,917.27, 1,247,875.96 and 270,951.77 is: 406,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,917.27 : 1,247,875.96 = 270,951.77 : x
  2. Step 2: Convert to fraction form
    831,917.27/1,247,875.96 = 270,951.77/x
  3. Step 3: Cross multiply
    831,917.27x = 1,247,875.96 × 270,951.77
  4. Step 4: Simplify right side
    831,917.27x = 338,114,200,102.45
  5. Step 5: Solve for x
    x = 338,114,200,102.45/831,917.27
  6. Step 6: Final answer
    x = 406,427.67

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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.