Home / 723,992.70-1,085,983.65-218,552.70

Finding the Fourth Proportional to 723,992.70, 1,085,983.65 and 218,552.70

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Solution

The fourth proportional to 723,992.70, 1,085,983.65 and 218,552.70 is: 327,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,992.70 : 1,085,983.65 = 218,552.70 : x
  2. Step 2: Convert to fraction form
    723,992.70/1,085,983.65 = 218,552.70/x
  3. Step 3: Cross multiply
    723,992.70x = 1,085,983.65 × 218,552.70
  4. Step 4: Simplify right side
    723,992.70x = 237,344,658,863.36
  5. Step 5: Solve for x
    x = 237,344,658,863.36/723,992.70
  6. Step 6: Final answer
    x = 327,827.42

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Double scale
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Similar ratio
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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.