Home / 789,765.51-1,184,771.27-257,162.65

Finding the Fourth Proportional to 789,765.51, 1,184,771.27 and 257,162.65

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Solution

The fourth proportional to 789,765.51, 1,184,771.27 and 257,162.65 is: 385,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,765.51 : 1,184,771.27 = 257,162.65 : x
  2. Step 2: Convert to fraction form
    789,765.51/1,184,771.27 = 257,162.65/x
  3. Step 3: Cross multiply
    789,765.51x = 1,184,771.27 × 257,162.65
  4. Step 4: Simplify right side
    789,765.51x = 304,678,919,437.07
  5. Step 5: Solve for x
    x = 304,678,919,437.07/789,765.51
  6. Step 6: Final answer
    x = 385,784.03

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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.