Home / 488,974.02-733,318.74-189,387.78

Finding the Fourth Proportional to 488,974.02, 733,318.74 and 189,387.78

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Solution

The fourth proportional to 488,974.02, 733,318.74 and 189,387.78 is: 284,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,974.02 : 733,318.74 = 189,387.78 : x
  2. Step 2: Convert to fraction form
    488,974.02/733,318.74 = 189,387.78/x
  3. Step 3: Cross multiply
    488,974.02x = 733,318.74 × 189,387.78
  4. Step 4: Simplify right side
    488,974.02x = 138,881,608,201.00
  5. Step 5: Solve for x
    x = 138,881,608,201.00/488,974.02
  6. Step 6: Final answer
    x = 284,026.56

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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.