Home / 496,582.91-685,237.05-278,741.69

Finding the Fourth Proportional to 496,582.91, 685,237.05 and 278,741.69

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Solution

The fourth proportional to 496,582.91, 685,237.05 and 278,741.69 is: 384,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,582.91 : 685,237.05 = 278,741.69 : x
  2. Step 2: Convert to fraction form
    496,582.91/685,237.05 = 278,741.69/x
  3. Step 3: Cross multiply
    496,582.91x = 685,237.05 × 278,741.69
  4. Step 4: Simplify right side
    496,582.91x = 191,004,133,556.35
  5. Step 5: Solve for x
    x = 191,004,133,556.35/496,582.91
  6. Step 6: Final answer
    x = 384,636.94

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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.