Home / 789,764.51-1,184,769.77-257,161.65

Finding the Fourth Proportional to 789,764.51, 1,184,769.77 and 257,161.65

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Solution

The fourth proportional to 789,764.51, 1,184,769.77 and 257,161.65 is: 385,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,764.51 : 1,184,769.77 = 257,161.65 : x
  2. Step 2: Convert to fraction form
    789,764.51/1,184,769.77 = 257,161.65/x
  3. Step 3: Cross multiply
    789,764.51x = 1,184,769.77 × 257,161.65
  4. Step 4: Simplify right side
    789,764.51x = 304,677,347,637.51
  5. Step 5: Solve for x
    x = 304,677,347,637.51/789,764.51
  6. Step 6: Final answer
    x = 385,782.53

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1.5x scale

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.