Home / 825,776.80-1,238,701.20-226,722.40

Finding the Fourth Proportional to 825,776.80, 1,238,701.20 and 226,722.40

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Solution

The fourth proportional to 825,776.80, 1,238,701.20 and 226,722.40 is: 340,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,776.80 : 1,238,701.20 = 226,722.40 : x
  2. Step 2: Convert to fraction form
    825,776.80/1,238,701.20 = 226,722.40/x
  3. Step 3: Cross multiply
    825,776.80x = 1,238,701.20 × 226,722.40
  4. Step 4: Simplify right side
    825,776.80x = 280,841,308,946.88
  5. Step 5: Solve for x
    x = 280,841,308,946.88/825,776.80
  6. Step 6: Final answer
    x = 340,093.48

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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.