Home / 905,541.30-1,358,297.96-231,616.67

Finding the Fourth Proportional to 905,541.30, 1,358,297.96 and 231,616.67

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Solution

The fourth proportional to 905,541.30, 1,358,297.96 and 231,616.67 is: 347,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,541.30 : 1,358,297.96 = 231,616.67 : x
  2. Step 2: Convert to fraction form
    905,541.30/1,358,297.96 = 231,616.67/x
  3. Step 3: Cross multiply
    905,541.30x = 1,358,297.96 × 231,616.67
  4. Step 4: Simplify right side
    905,541.30x = 314,604,442,413.42
  5. Step 5: Solve for x
    x = 314,604,442,413.42/905,541.30
  6. Step 6: Final answer
    x = 347,421.42

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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.