Home / 723,690.62-1,085,534.63-218,251.22

Finding the Fourth Proportional to 723,690.62, 1,085,534.63 and 218,251.22

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Solution

The fourth proportional to 723,690.62, 1,085,534.63 and 218,251.22 is: 327,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,690.62 : 1,085,534.63 = 218,251.22 : x
  2. Step 2: Convert to fraction form
    723,690.62/1,085,534.63 = 218,251.22/x
  3. Step 3: Cross multiply
    723,690.62x = 1,085,534.63 × 218,251.22
  4. Step 4: Simplify right side
    723,690.62x = 236,919,255,623.09
  5. Step 5: Solve for x
    x = 236,919,255,623.09/723,690.62
  6. Step 6: Final answer
    x = 327,376.43

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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.