Home / 724,057.10-1,085,757.60-274,628.60

Finding the Fourth Proportional to 724,057.10, 1,085,757.60 and 274,628.60

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Solution

The fourth proportional to 724,057.10, 1,085,757.60 and 274,628.60 is: 411,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,057.10 : 1,085,757.60 = 274,628.60 : x
  2. Step 2: Convert to fraction form
    724,057.10/1,085,757.60 = 274,628.60/x
  3. Step 3: Cross multiply
    724,057.10x = 1,085,757.60 × 274,628.60
  4. Step 4: Simplify right side
    724,057.10x = 298,180,089,627.36
  5. Step 5: Solve for x
    x = 298,180,089,627.36/724,057.10
  6. Step 6: Final answer
    x = 411,818.47

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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.