Home / 808,939.20-1,213,846.20-335,672.40

Finding the Fourth Proportional to 808,939.20, 1,213,846.20 and 335,672.40

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Solution

The fourth proportional to 808,939.20, 1,213,846.20 and 335,672.40 is: 503,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,939.20 : 1,213,846.20 = 335,672.40 : x
  2. Step 2: Convert to fraction form
    808,939.20/1,213,846.20 = 335,672.40/x
  3. Step 3: Cross multiply
    808,939.20x = 1,213,846.20 × 335,672.40
  4. Step 4: Simplify right side
    808,939.20x = 407,454,667,184.88
  5. Step 5: Solve for x
    x = 407,454,667,184.88/808,939.20
  6. Step 6: Final answer
    x = 503,690.10

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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.