Home / 772,826.40-1,159,297.20-274,125.60

Finding the Fourth Proportional to 772,826.40, 1,159,297.20 and 274,125.60

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Solution

The fourth proportional to 772,826.40, 1,159,297.20 and 274,125.60 is: 411,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,826.40 : 1,159,297.20 = 274,125.60 : x
  2. Step 2: Convert to fraction form
    772,826.40/1,159,297.20 = 274,125.60/x
  3. Step 3: Cross multiply
    772,826.40x = 1,159,297.20 × 274,125.60
  4. Step 4: Simplify right side
    772,826.40x = 317,793,040,528.32
  5. Step 5: Solve for x
    x = 317,793,040,528.32/772,826.40
  6. Step 6: Final answer
    x = 411,208.83

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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.