Home / 772,974.88-1,159,422-212,010.40

Finding the Fourth Proportional to 772,974.88, 1,159,422 and 212,010.40

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Solution

The fourth proportional to 772,974.88, 1,159,422 and 212,010.40 is: 318,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,974.88 : 1,159,422 = 212,010.40 : x
  2. Step 2: Convert to fraction form
    772,974.88/1,159,422 = 212,010.40/x
  3. Step 3: Cross multiply
    772,974.88x = 1,159,422 × 212,010.40
  4. Step 4: Simplify right side
    772,974.88x = 245,809,521,988.80
  5. Step 5: Solve for x
    x = 245,809,521,988.80/772,974.88
  6. Step 6: Final answer
    x = 318,004.54

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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.