Home / 773,293.80-1,159,940.70-274,708.20

Finding the Fourth Proportional to 773,293.80, 1,159,940.70 and 274,708.20

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Solution

The fourth proportional to 773,293.80, 1,159,940.70 and 274,708.20 is: 412,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,293.80 : 1,159,940.70 = 274,708.20 : x
  2. Step 2: Convert to fraction form
    773,293.80/1,159,940.70 = 274,708.20/x
  3. Step 3: Cross multiply
    773,293.80x = 1,159,940.70 × 274,708.20
  4. Step 4: Simplify right side
    773,293.80x = 318,645,221,803.74
  5. Step 5: Solve for x
    x = 318,645,221,803.74/773,293.80
  6. Step 6: Final answer
    x = 412,062.30

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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.