Home / 816,862.26-1,225,410.03-255,940.50

Finding the Fourth Proportional to 816,862.26, 1,225,410.03 and 255,940.50

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Solution

The fourth proportional to 816,862.26, 1,225,410.03 and 255,940.50 is: 383,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,862.26 : 1,225,410.03 = 255,940.50 : x
  2. Step 2: Convert to fraction form
    816,862.26/1,225,410.03 = 255,940.50/x
  3. Step 3: Cross multiply
    816,862.26x = 1,225,410.03 × 255,940.50
  4. Step 4: Simplify right side
    816,862.26x = 313,632,055,783.22
  5. Step 5: Solve for x
    x = 313,632,055,783.22/816,862.26
  6. Step 6: Final answer
    x = 383,947.30

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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.