Home / 788,208.38-1,182,478.62-255,687.83

Finding the Fourth Proportional to 788,208.38, 1,182,478.62 and 255,687.83

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Solution

The fourth proportional to 788,208.38, 1,182,478.62 and 255,687.83 is: 383,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,208.38 : 1,182,478.62 = 255,687.83 : x
  2. Step 2: Convert to fraction form
    788,208.38/1,182,478.62 = 255,687.83/x
  3. Step 3: Cross multiply
    788,208.38x = 1,182,478.62 × 255,687.83
  4. Step 4: Simplify right side
    788,208.38x = 302,345,392,369.20
  5. Step 5: Solve for x
    x = 302,345,392,369.20/788,208.38
  6. Step 6: Final answer
    x = 383,585.61

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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.