Home / 705,204.80-1,057,904.40-255,816.80

Finding the Fourth Proportional to 705,204.80, 1,057,904.40 and 255,816.80

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Solution

The fourth proportional to 705,204.80, 1,057,904.40 and 255,816.80 is: 383,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,204.80 : 1,057,904.40 = 255,816.80 : x
  2. Step 2: Convert to fraction form
    705,204.80/1,057,904.40 = 255,816.80/x
  3. Step 3: Cross multiply
    705,204.80x = 1,057,904.40 × 255,816.80
  4. Step 4: Simplify right side
    705,204.80x = 270,629,718,313.92
  5. Step 5: Solve for x
    x = 270,629,718,313.92/705,204.80
  6. Step 6: Final answer
    x = 383,760.46

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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.