Home / 905,588.78-1,358,429.69-231,675.92

Finding the Fourth Proportional to 905,588.78, 1,358,429.69 and 231,675.92

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Solution

The fourth proportional to 905,588.78, 1,358,429.69 and 231,675.92 is: 347,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,588.78 : 1,358,429.69 = 231,675.92 : x
  2. Step 2: Convert to fraction form
    905,588.78/1,358,429.69 = 231,675.92/x
  3. Step 3: Cross multiply
    905,588.78x = 1,358,429.69 × 231,675.92
  4. Step 4: Simplify right side
    905,588.78x = 314,715,440,235.54
  5. Step 5: Solve for x
    x = 314,715,440,235.54/905,588.78
  6. Step 6: Final answer
    x = 347,525.77

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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.