Home / 723,648.52-1,085,181.18-218,053

Finding the Fourth Proportional to 723,648.52, 1,085,181.18 and 218,053

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Solution

The fourth proportional to 723,648.52, 1,085,181.18 and 218,053 is: 326,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,648.52 : 1,085,181.18 = 218,053 : x
  2. Step 2: Convert to fraction form
    723,648.52/1,085,181.18 = 218,053/x
  3. Step 3: Cross multiply
    723,648.52x = 1,085,181.18 × 218,053
  4. Step 4: Simplify right side
    723,648.52x = 236,627,011,842.54
  5. Step 5: Solve for x
    x = 236,627,011,842.54/723,648.52
  6. Step 6: Final answer
    x = 326,991.63

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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.