Home / 780,686.44-1,171,029.66-189,710.44

Finding the Fourth Proportional to 780,686.44, 1,171,029.66 and 189,710.44

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Solution

The fourth proportional to 780,686.44, 1,171,029.66 and 189,710.44 is: 284,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,686.44 : 1,171,029.66 = 189,710.44 : x
  2. Step 2: Convert to fraction form
    780,686.44/1,171,029.66 = 189,710.44/x
  3. Step 3: Cross multiply
    780,686.44x = 1,171,029.66 × 189,710.44
  4. Step 4: Simplify right side
    780,686.44x = 222,156,552,051.65
  5. Step 5: Solve for x
    x = 222,156,552,051.65/780,686.44
  6. Step 6: Final answer
    x = 284,565.66

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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.