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Finding the Fourth Proportional to 654,313.64, 981,470.60 and 205,034.42

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Solution

The fourth proportional to 654,313.64, 981,470.60 and 205,034.42 is: 307,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,313.64 : 981,470.60 = 205,034.42 : x
  2. Step 2: Convert to fraction form
    654,313.64/981,470.60 = 205,034.42/x
  3. Step 3: Cross multiply
    654,313.64x = 981,470.60 × 205,034.42
  4. Step 4: Simplify right side
    654,313.64x = 201,235,249,285.53
  5. Step 5: Solve for x
    x = 201,235,249,285.53/654,313.64
  6. Step 6: Final answer
    x = 307,551.67

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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.