Home / 905,622.93-1,358,480.84-231,709.95

Finding the Fourth Proportional to 905,622.93, 1,358,480.84 and 231,709.95

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Solution

The fourth proportional to 905,622.93, 1,358,480.84 and 231,709.95 is: 347,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,622.93 : 1,358,480.84 = 231,709.95 : x
  2. Step 2: Convert to fraction form
    905,622.93/1,358,480.84 = 231,709.95/x
  3. Step 3: Cross multiply
    905,622.93x = 1,358,480.84 × 231,709.95
  4. Step 4: Simplify right side
    905,622.93x = 314,773,526,353.81
  5. Step 5: Solve for x
    x = 314,773,526,353.81/905,622.93
  6. Step 6: Final answer
    x = 347,576.81

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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.