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Finding the Fourth Proportional to 540,360.81, 809,666.41 and 329,359.05

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Solution

The fourth proportional to 540,360.81, 809,666.41 and 329,359.05 is: 493,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,360.81 : 809,666.41 = 329,359.05 : x
  2. Step 2: Convert to fraction form
    540,360.81/809,666.41 = 329,359.05/x
  3. Step 3: Cross multiply
    540,360.81x = 809,666.41 × 329,359.05
  4. Step 4: Simplify right side
    540,360.81x = 266,670,959,614.51
  5. Step 5: Solve for x
    x = 266,670,959,614.51/540,360.81
  6. Step 6: Final answer
    x = 493,505.37

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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.