Home / 511,743.95-766,018.53-376,959.97

Finding the Fourth Proportional to 511,743.95, 766,018.53 and 376,959.97

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Solution

The fourth proportional to 511,743.95, 766,018.53 and 376,959.97 is: 564,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,743.95 : 766,018.53 = 376,959.97 : x
  2. Step 2: Convert to fraction form
    511,743.95/766,018.53 = 376,959.97/x
  3. Step 3: Cross multiply
    511,743.95x = 766,018.53 × 376,959.97
  4. Step 4: Simplify right side
    511,743.95x = 288,758,320,173.20
  5. Step 5: Solve for x
    x = 288,758,320,173.20/511,743.95
  6. Step 6: Final answer
    x = 564,263.29

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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.