Home / 809,228.40-1,214,004.60-240,608.40

Finding the Fourth Proportional to 809,228.40, 1,214,004.60 and 240,608.40

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Solution

The fourth proportional to 809,228.40, 1,214,004.60 and 240,608.40 is: 360,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,228.40 : 1,214,004.60 = 240,608.40 : x
  2. Step 2: Convert to fraction form
    809,228.40/1,214,004.60 = 240,608.40/x
  3. Step 3: Cross multiply
    809,228.40x = 1,214,004.60 × 240,608.40
  4. Step 4: Simplify right side
    809,228.40x = 292,099,704,398.64
  5. Step 5: Solve for x
    x = 292,099,704,398.64/809,228.40
  6. Step 6: Final answer
    x = 360,960.77

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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.