Home / 855,502.32-1,180,717.44-492,855.60

Finding the Fourth Proportional to 855,502.32, 1,180,717.44 and 492,855.60

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Solution

The fourth proportional to 855,502.32, 1,180,717.44 and 492,855.60 is: 680,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,502.32 : 1,180,717.44 = 492,855.60 : x
  2. Step 2: Convert to fraction form
    855,502.32/1,180,717.44 = 492,855.60/x
  3. Step 3: Cross multiply
    855,502.32x = 1,180,717.44 × 492,855.60
  4. Step 4: Simplify right side
    855,502.32x = 581,923,202,321.66
  5. Step 5: Solve for x
    x = 581,923,202,321.66/855,502.32
  6. Step 6: Final answer
    x = 680,212.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.