Home / 641,035.15-961,880.76-262,235.81

Finding the Fourth Proportional to 641,035.15, 961,880.76 and 262,235.81

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Solution

The fourth proportional to 641,035.15, 961,880.76 and 262,235.81 is: 393,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,035.15 : 961,880.76 = 262,235.81 : x
  2. Step 2: Convert to fraction form
    641,035.15/961,880.76 = 262,235.81/x
  3. Step 3: Cross multiply
    641,035.15x = 961,880.76 × 262,235.81
  4. Step 4: Simplify right side
    641,035.15x = 252,239,582,626.72
  5. Step 5: Solve for x
    x = 252,239,582,626.72/641,035.15
  6. Step 6: Final answer
    x = 393,487.91

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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.