Home / 496,462.95-685,064.04-278,621.65

Finding the Fourth Proportional to 496,462.95, 685,064.04 and 278,621.65

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Solution

The fourth proportional to 496,462.95, 685,064.04 and 278,621.65 is: 384,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,462.95 : 685,064.04 = 278,621.65 : x
  2. Step 2: Convert to fraction form
    496,462.95/685,064.04 = 278,621.65/x
  3. Step 3: Cross multiply
    496,462.95x = 685,064.04 × 278,621.65
  4. Step 4: Simplify right side
    496,462.95x = 190,873,673,180.47
  5. Step 5: Solve for x
    x = 190,873,673,180.47/496,462.95
  6. Step 6: Final answer
    x = 384,467.11

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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.