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Finding the Fourth Proportional to 540,360.31, 809,665.67 and 329,358.55

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Solution

The fourth proportional to 540,360.31, 809,665.67 and 329,358.55 is: 493,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,360.31 : 809,665.67 = 329,358.55 : x
  2. Step 2: Convert to fraction form
    540,360.31/809,665.67 = 329,358.55/x
  3. Step 3: Cross multiply
    540,360.31x = 809,665.67 × 329,358.55
  4. Step 4: Simplify right side
    540,360.31x = 266,670,309,409.19
  5. Step 5: Solve for x
    x = 266,670,309,409.19/540,360.31
  6. Step 6: Final answer
    x = 493,504.62

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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.