Home / 496,320.86-685,044.45-281,586.62

Finding the Fourth Proportional to 496,320.86, 685,044.45 and 281,586.62

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Solution

The fourth proportional to 496,320.86, 685,044.45 and 281,586.62 is: 388,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,320.86 : 685,044.45 = 281,586.62 : x
  2. Step 2: Convert to fraction form
    496,320.86/685,044.45 = 281,586.62/x
  3. Step 3: Cross multiply
    496,320.86x = 685,044.45 × 281,586.62
  4. Step 4: Simplify right side
    496,320.86x = 192,899,347,800.04
  5. Step 5: Solve for x
    x = 192,899,347,800.04/496,320.86
  6. Step 6: Final answer
    x = 388,658.56

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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.