Home / 376,183.76-563,943.48-287,831.69

Finding the Fourth Proportional to 376,183.76, 563,943.48 and 287,831.69

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Solution

The fourth proportional to 376,183.76, 563,943.48 and 287,831.69 is: 431,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,183.76 : 563,943.48 = 287,831.69 : x
  2. Step 2: Convert to fraction form
    376,183.76/563,943.48 = 287,831.69/x
  3. Step 3: Cross multiply
    376,183.76x = 563,943.48 × 287,831.69
  4. Step 4: Simplify right side
    376,183.76x = 162,320,804,335.66
  5. Step 5: Solve for x
    x = 162,320,804,335.66/376,183.76
  6. Step 6: Final answer
    x = 431,493.39

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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.