Home / 699,721.60-1,049,323.20-226,422.40

Finding the Fourth Proportional to 699,721.60, 1,049,323.20 and 226,422.40

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Solution

The fourth proportional to 699,721.60, 1,049,323.20 and 226,422.40 is: 339,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,721.60 : 1,049,323.20 = 226,422.40 : x
  2. Step 2: Convert to fraction form
    699,721.60/1,049,323.20 = 226,422.40/x
  3. Step 3: Cross multiply
    699,721.60x = 1,049,323.20 × 226,422.40
  4. Step 4: Simplify right side
    699,721.60x = 237,590,277,319.68
  5. Step 5: Solve for x
    x = 237,590,277,319.68/699,721.60
  6. Step 6: Final answer
    x = 339,549.73

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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.