Home / 495,975.20-744,173.40-271,072.90

Finding the Fourth Proportional to 495,975.20, 744,173.40 and 271,072.90

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Solution

The fourth proportional to 495,975.20, 744,173.40 and 271,072.90 is: 406,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,975.20 : 744,173.40 = 271,072.90 : x
  2. Step 2: Convert to fraction form
    495,975.20/744,173.40 = 271,072.90/x
  3. Step 3: Cross multiply
    495,975.20x = 744,173.40 × 271,072.90
  4. Step 4: Simplify right side
    495,975.20x = 201,725,237,919.99
  5. Step 5: Solve for x
    x = 201,725,237,919.99/495,975.20
  6. Step 6: Final answer
    x = 406,724.44

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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.