Home / 925,409.73-1,277,012.34-511,921.74

Finding the Fourth Proportional to 925,409.73, 1,277,012.34 and 511,921.74

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Solution

The fourth proportional to 925,409.73, 1,277,012.34 and 511,921.74 is: 706,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,409.73 : 1,277,012.34 = 511,921.74 : x
  2. Step 2: Convert to fraction form
    925,409.73/1,277,012.34 = 511,921.74/x
  3. Step 3: Cross multiply
    925,409.73x = 1,277,012.34 × 511,921.74
  4. Step 4: Simplify right side
    925,409.73x = 653,730,379,094.27
  5. Step 5: Solve for x
    x = 653,730,379,094.27/925,409.73
  6. Step 6: Final answer
    x = 706,422.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.