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Finding the Fourth Proportional to 609,482.72, 914,813.76 and 294,161.60

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Solution

The fourth proportional to 609,482.72, 914,813.76 and 294,161.60 is: 441,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,482.72 : 914,813.76 = 294,161.60 : x
  2. Step 2: Convert to fraction form
    609,482.72/914,813.76 = 294,161.60/x
  3. Step 3: Cross multiply
    609,482.72x = 914,813.76 × 294,161.60
  4. Step 4: Simplify right side
    609,482.72x = 269,103,079,343.62
  5. Step 5: Solve for x
    x = 269,103,079,343.62/609,482.72
  6. Step 6: Final answer
    x = 441,527.00

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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.