Home / 496,629.04-685,335.16-289,937.04

Finding the Fourth Proportional to 496,629.04, 685,335.16 and 289,937.04

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Solution

The fourth proportional to 496,629.04, 685,335.16 and 289,937.04 is: 400,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,629.04 : 685,335.16 = 289,937.04 : x
  2. Step 2: Convert to fraction form
    496,629.04/685,335.16 = 289,937.04/x
  3. Step 3: Cross multiply
    496,629.04x = 685,335.16 × 289,937.04
  4. Step 4: Simplify right side
    496,629.04x = 198,704,047,698.33
  5. Step 5: Solve for x
    x = 198,704,047,698.33/496,629.04
  6. Step 6: Final answer
    x = 400,105.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.