Home / 863,313.20-1,294,856.40-264,334.40

Finding the Fourth Proportional to 863,313.20, 1,294,856.40 and 264,334.40

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Solution

The fourth proportional to 863,313.20, 1,294,856.40 and 264,334.40 is: 396,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,313.20 : 1,294,856.40 = 264,334.40 : x
  2. Step 2: Convert to fraction form
    863,313.20/1,294,856.40 = 264,334.40/x
  3. Step 3: Cross multiply
    863,313.20x = 1,294,856.40 × 264,334.40
  4. Step 4: Simplify right side
    863,313.20x = 342,275,089,580.16
  5. Step 5: Solve for x
    x = 342,275,089,580.16/863,313.20
  6. Step 6: Final answer
    x = 396,466.88

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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.