Home / 809,785.20-1,214,706.60-248,818.80

Finding the Fourth Proportional to 809,785.20, 1,214,706.60 and 248,818.80

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Solution

The fourth proportional to 809,785.20, 1,214,706.60 and 248,818.80 is: 373,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,785.20 : 1,214,706.60 = 248,818.80 : x
  2. Step 2: Convert to fraction form
    809,785.20/1,214,706.60 = 248,818.80/x
  3. Step 3: Cross multiply
    809,785.20x = 1,214,706.60 × 248,818.80
  4. Step 4: Simplify right side
    809,785.20x = 302,241,838,564.08
  5. Step 5: Solve for x
    x = 302,241,838,564.08/809,785.20
  6. Step 6: Final answer
    x = 373,237.05

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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.