Home / 808,608.20-1,213,896.45-409,043.30

Finding the Fourth Proportional to 808,608.20, 1,213,896.45 and 409,043.30

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Solution

The fourth proportional to 808,608.20, 1,213,896.45 and 409,043.30 is: 614,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,608.20 : 1,213,896.45 = 409,043.30 : x
  2. Step 2: Convert to fraction form
    808,608.20/1,213,896.45 = 409,043.30/x
  3. Step 3: Cross multiply
    808,608.20x = 1,213,896.45 × 409,043.30
  4. Step 4: Simplify right side
    808,608.20x = 496,536,209,766.29
  5. Step 5: Solve for x
    x = 496,536,209,766.29/808,608.20
  6. Step 6: Final answer
    x = 614,062.79

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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.