Home / 511,979.31-766,481.58-298,094.76

Finding the Fourth Proportional to 511,979.31, 766,481.58 and 298,094.76

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Solution

The fourth proportional to 511,979.31, 766,481.58 and 298,094.76 is: 446,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,979.31 : 766,481.58 = 298,094.76 : x
  2. Step 2: Convert to fraction form
    511,979.31/766,481.58 = 298,094.76/x
  3. Step 3: Cross multiply
    511,979.31x = 766,481.58 × 298,094.76
  4. Step 4: Simplify right side
    511,979.31x = 228,484,142,634.52
  5. Step 5: Solve for x
    x = 228,484,142,634.52/511,979.31
  6. Step 6: Final answer
    x = 446,276.13

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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.