Home / 816,039.68-1,224,232.32-255,116.48

Finding the Fourth Proportional to 816,039.68, 1,224,232.32 and 255,116.48

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Solution

The fourth proportional to 816,039.68, 1,224,232.32 and 255,116.48 is: 382,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,039.68 : 1,224,232.32 = 255,116.48 : x
  2. Step 2: Convert to fraction form
    816,039.68/1,224,232.32 = 255,116.48/x
  3. Step 3: Cross multiply
    816,039.68x = 1,224,232.32 × 255,116.48
  4. Step 4: Simplify right side
    816,039.68x = 312,321,840,180.63
  5. Step 5: Solve for x
    x = 312,321,840,180.63/816,039.68
  6. Step 6: Final answer
    x = 382,728.74

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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.