Home / 496,583.66-685,238.09-278,742.44

Finding the Fourth Proportional to 496,583.66, 685,238.09 and 278,742.44

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Solution

The fourth proportional to 496,583.66, 685,238.09 and 278,742.44 is: 384,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,583.66 : 685,238.09 = 278,742.44 : x
  2. Step 2: Convert to fraction form
    496,583.66/685,238.09 = 278,742.44/x
  3. Step 3: Cross multiply
    496,583.66x = 685,238.09 × 278,742.44
  4. Step 4: Simplify right side
    496,583.66x = 191,004,937,506.92
  5. Step 5: Solve for x
    x = 191,004,937,506.92/496,583.66
  6. Step 6: Final answer
    x = 384,637.98

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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.