Home / 777,745.70-1,166,618.55-245,429.90

Finding the Fourth Proportional to 777,745.70, 1,166,618.55 and 245,429.90

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Solution

The fourth proportional to 777,745.70, 1,166,618.55 and 245,429.90 is: 368,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,745.70 : 1,166,618.55 = 245,429.90 : x
  2. Step 2: Convert to fraction form
    777,745.70/1,166,618.55 = 245,429.90/x
  3. Step 3: Cross multiply
    777,745.70x = 1,166,618.55 × 245,429.90
  4. Step 4: Simplify right side
    777,745.70x = 286,323,074,064.65
  5. Step 5: Solve for x
    x = 286,323,074,064.65/777,745.70
  6. Step 6: Final answer
    x = 368,144.85

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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.