Home / 926,409.25-1,389,725.96-327,247.80

Finding the Fourth Proportional to 926,409.25, 1,389,725.96 and 327,247.80

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Solution

The fourth proportional to 926,409.25, 1,389,725.96 and 327,247.80 is: 490,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,409.25 : 1,389,725.96 = 327,247.80 : x
  2. Step 2: Convert to fraction form
    926,409.25/1,389,725.96 = 327,247.80/x
  3. Step 3: Cross multiply
    926,409.25x = 1,389,725.96 × 327,247.80
  4. Step 4: Simplify right side
    926,409.25x = 454,784,758,005.95
  5. Step 5: Solve for x
    x = 454,784,758,005.95/926,409.25
  6. Step 6: Final answer
    x = 490,911.29

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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.