Home / 829,189.92-1,243,894.32-289,455.92

Finding the Fourth Proportional to 829,189.92, 1,243,894.32 and 289,455.92

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Solution

The fourth proportional to 829,189.92, 1,243,894.32 and 289,455.92 is: 434,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,189.92 : 1,243,894.32 = 289,455.92 : x
  2. Step 2: Convert to fraction form
    829,189.92/1,243,894.32 = 289,455.92/x
  3. Step 3: Cross multiply
    829,189.92x = 1,243,894.32 × 289,455.92
  4. Step 4: Simplify right side
    829,189.92x = 360,052,568,558.90
  5. Step 5: Solve for x
    x = 360,052,568,558.90/829,189.92
  6. Step 6: Final answer
    x = 434,222.08

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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.