Home / 816,980.99-1,225,480.40-248,454.55

Finding the Fourth Proportional to 816,980.99, 1,225,480.40 and 248,454.55

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Solution

The fourth proportional to 816,980.99, 1,225,480.40 and 248,454.55 is: 372,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,980.99 : 1,225,480.40 = 248,454.55 : x
  2. Step 2: Convert to fraction form
    816,980.99/1,225,480.40 = 248,454.55/x
  3. Step 3: Cross multiply
    816,980.99x = 1,225,480.40 × 248,454.55
  4. Step 4: Simplify right side
    816,980.99x = 304,476,181,315.82
  5. Step 5: Solve for x
    x = 304,476,181,315.82/816,980.99
  6. Step 6: Final answer
    x = 372,684.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.