Home / 905,826.30-1,358,651.70-274,745.58

Finding the Fourth Proportional to 905,826.30, 1,358,651.70 and 274,745.58

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Solution

The fourth proportional to 905,826.30, 1,358,651.70 and 274,745.58 is: 412,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,826.30 : 1,358,651.70 = 274,745.58 : x
  2. Step 2: Convert to fraction form
    905,826.30/1,358,651.70 = 274,745.58/x
  3. Step 3: Cross multiply
    905,826.30x = 1,358,651.70 × 274,745.58
  4. Step 4: Simplify right side
    905,826.30x = 373,283,549,334.49
  5. Step 5: Solve for x
    x = 373,283,549,334.49/905,826.30
  6. Step 6: Final answer
    x = 412,091.75

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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.