Home / 529,906.08-731,263.32-288,183.42

Finding the Fourth Proportional to 529,906.08, 731,263.32 and 288,183.42

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Solution

The fourth proportional to 529,906.08, 731,263.32 and 288,183.42 is: 397,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,906.08 : 731,263.32 = 288,183.42 : x
  2. Step 2: Convert to fraction form
    529,906.08/731,263.32 = 288,183.42/x
  3. Step 3: Cross multiply
    529,906.08x = 731,263.32 × 288,183.42
  4. Step 4: Simplify right side
    529,906.08x = 210,737,964,478.15
  5. Step 5: Solve for x
    x = 210,737,964,478.15/529,906.08
  6. Step 6: Final answer
    x = 397,689.27

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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.