Home / 808,527.30-1,212,794.55-209,445.90

Finding the Fourth Proportional to 808,527.30, 1,212,794.55 and 209,445.90

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Solution

The fourth proportional to 808,527.30, 1,212,794.55 and 209,445.90 is: 314,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,527.30 : 1,212,794.55 = 209,445.90 : x
  2. Step 2: Convert to fraction form
    808,527.30/1,212,794.55 = 209,445.90/x
  3. Step 3: Cross multiply
    808,527.30x = 1,212,794.55 × 209,445.90
  4. Step 4: Simplify right side
    808,527.30x = 254,014,846,039.85
  5. Step 5: Solve for x
    x = 254,014,846,039.85/808,527.30
  6. Step 6: Final answer
    x = 314,169.78

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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.