Home / 727,545.60-1,091,059.20-254,246.40

Finding the Fourth Proportional to 727,545.60, 1,091,059.20 and 254,246.40

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Solution

The fourth proportional to 727,545.60, 1,091,059.20 and 254,246.40 is: 381,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,545.60 : 1,091,059.20 = 254,246.40 : x
  2. Step 2: Convert to fraction form
    727,545.60/1,091,059.20 = 254,246.40/x
  3. Step 3: Cross multiply
    727,545.60x = 1,091,059.20 × 254,246.40
  4. Step 4: Simplify right side
    727,545.60x = 277,397,873,786.88
  5. Step 5: Solve for x
    x = 277,397,873,786.88/727,545.60
  6. Step 6: Final answer
    x = 381,279.02

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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.