Home / 505,582.47-758,514.11-221,222.07

Finding the Fourth Proportional to 505,582.47, 758,514.11 and 221,222.07

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Solution

The fourth proportional to 505,582.47, 758,514.11 and 221,222.07 is: 331,894.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,582.47 : 758,514.11 = 221,222.07 : x
  2. Step 2: Convert to fraction form
    505,582.47/758,514.11 = 221,222.07/x
  3. Step 3: Cross multiply
    505,582.47x = 758,514.11 × 221,222.07
  4. Step 4: Simplify right side
    505,582.47x = 167,800,060,432.30
  5. Step 5: Solve for x
    x = 167,800,060,432.30/505,582.47
  6. Step 6: Final answer
    x = 331,894.54

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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.