Home / 778,658.94-1,166,473.53-511,608.06

Finding the Fourth Proportional to 778,658.94, 1,166,473.53 and 511,608.06

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Solution

The fourth proportional to 778,658.94, 1,166,473.53 and 511,608.06 is: 766,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,658.94 : 1,166,473.53 = 511,608.06 : x
  2. Step 2: Convert to fraction form
    778,658.94/1,166,473.53 = 511,608.06/x
  3. Step 3: Cross multiply
    778,658.94x = 1,166,473.53 × 511,608.06
  4. Step 4: Simplify right side
    778,658.94x = 596,777,259,724.65
  5. Step 5: Solve for x
    x = 596,777,259,724.65/778,658.94
  6. Step 6: Final answer
    x = 766,416.76

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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.