Home / 724,056.10-1,085,756.10-274,627.60

Finding the Fourth Proportional to 724,056.10, 1,085,756.10 and 274,627.60

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Solution

The fourth proportional to 724,056.10, 1,085,756.10 and 274,627.60 is: 411,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,056.10 : 1,085,756.10 = 274,627.60 : x
  2. Step 2: Convert to fraction form
    724,056.10/1,085,756.10 = 274,627.60/x
  3. Step 3: Cross multiply
    724,056.10x = 1,085,756.10 × 274,627.60
  4. Step 4: Simplify right side
    724,056.10x = 298,178,591,928.36
  5. Step 5: Solve for x
    x = 298,178,591,928.36/724,056.10
  6. Step 6: Final answer
    x = 411,816.97

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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.