Home / 485,429.10-727,884.45-204,629.10

Finding the Fourth Proportional to 485,429.10, 727,884.45 and 204,629.10

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Solution

The fourth proportional to 485,429.10, 727,884.45 and 204,629.10 is: 306,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,429.10 : 727,884.45 = 204,629.10 : x
  2. Step 2: Convert to fraction form
    485,429.10/727,884.45 = 204,629.10/x
  3. Step 3: Cross multiply
    485,429.10x = 727,884.45 × 204,629.10
  4. Step 4: Simplify right side
    485,429.10x = 148,946,339,907.50
  5. Step 5: Solve for x
    x = 148,946,339,907.50/485,429.10
  6. Step 6: Final answer
    x = 306,834.39

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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.