Home / 823,850.90-1,235,909.62-255,098.31

Finding the Fourth Proportional to 823,850.90, 1,235,909.62 and 255,098.31

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Solution

The fourth proportional to 823,850.90, 1,235,909.62 and 255,098.31 is: 382,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,850.90 : 1,235,909.62 = 255,098.31 : x
  2. Step 2: Convert to fraction form
    823,850.90/1,235,909.62 = 255,098.31/x
  3. Step 3: Cross multiply
    823,850.90x = 1,235,909.62 × 255,098.31
  4. Step 4: Simplify right side
    823,850.90x = 315,278,457,293.48
  5. Step 5: Solve for x
    x = 315,278,457,293.48/823,850.90
  6. Step 6: Final answer
    x = 382,688.73

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1.5x scale

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.