Home / 522,803.83-721,929.35-326,906.04

Finding the Fourth Proportional to 522,803.83, 721,929.35 and 326,906.04

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Solution

The fourth proportional to 522,803.83, 721,929.35 and 326,906.04 is: 451,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,803.83 : 721,929.35 = 326,906.04 : x
  2. Step 2: Convert to fraction form
    522,803.83/721,929.35 = 326,906.04/x
  3. Step 3: Cross multiply
    522,803.83x = 721,929.35 × 326,906.04
  4. Step 4: Simplify right side
    522,803.83x = 236,003,063,333.74
  5. Step 5: Solve for x
    x = 236,003,063,333.74/522,803.83
  6. Step 6: Final answer
    x = 451,418.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.