Home / 727,629.60-1,091,185.20-254,330.40

Finding the Fourth Proportional to 727,629.60, 1,091,185.20 and 254,330.40

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Solution

The fourth proportional to 727,629.60, 1,091,185.20 and 254,330.40 is: 381,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,629.60 : 1,091,185.20 = 254,330.40 : x
  2. Step 2: Convert to fraction form
    727,629.60/1,091,185.20 = 254,330.40/x
  3. Step 3: Cross multiply
    727,629.60x = 1,091,185.20 × 254,330.40
  4. Step 4: Simplify right side
    727,629.60x = 277,521,568,390.08
  5. Step 5: Solve for x
    x = 277,521,568,390.08/727,629.60
  6. Step 6: Final answer
    x = 381,405.00

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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.