Home / 863,277.60-1,294,527.60-330,621.60

Finding the Fourth Proportional to 863,277.60, 1,294,527.60 and 330,621.60

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Solution

The fourth proportional to 863,277.60, 1,294,527.60 and 330,621.60 is: 495,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,277.60 : 1,294,527.60 = 330,621.60 : x
  2. Step 2: Convert to fraction form
    863,277.60/1,294,527.60 = 330,621.60/x
  3. Step 3: Cross multiply
    863,277.60x = 1,294,527.60 × 330,621.60
  4. Step 4: Simplify right side
    863,277.60x = 427,998,786,356.16
  5. Step 5: Solve for x
    x = 427,998,786,356.16/863,277.60
  6. Step 6: Final answer
    x = 495,783.50

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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.