Home / 782,831.88-1,174,714.38-284,234.76

Finding the Fourth Proportional to 782,831.88, 1,174,714.38 and 284,234.76

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Solution

The fourth proportional to 782,831.88, 1,174,714.38 and 284,234.76 is: 426,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,831.88 : 1,174,714.38 = 284,234.76 : x
  2. Step 2: Convert to fraction form
    782,831.88/1,174,714.38 = 284,234.76/x
  3. Step 3: Cross multiply
    782,831.88x = 1,174,714.38 × 284,234.76
  4. Step 4: Simplify right side
    782,831.88x = 333,894,659,867.85
  5. Step 5: Solve for x
    x = 333,894,659,867.85/782,831.88
  6. Step 6: Final answer
    x = 426,521.54

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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.