Home / 809,054.10-1,213,289.55-409,562.10

Finding the Fourth Proportional to 809,054.10, 1,213,289.55 and 409,562.10

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Solution

The fourth proportional to 809,054.10, 1,213,289.55 and 409,562.10 is: 614,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,054.10 : 1,213,289.55 = 409,562.10 : x
  2. Step 2: Convert to fraction form
    809,054.10/1,213,289.55 = 409,562.10/x
  3. Step 3: Cross multiply
    809,054.10x = 1,213,289.55 × 409,562.10
  4. Step 4: Simplify right side
    809,054.10x = 496,917,416,006.06
  5. Step 5: Solve for x
    x = 496,917,416,006.06/809,054.10
  6. Step 6: Final answer
    x = 614,195.54

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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.