Home / 789,810.36-1,184,489.55-257,377.92

Finding the Fourth Proportional to 789,810.36, 1,184,489.55 and 257,377.92

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Solution

The fourth proportional to 789,810.36, 1,184,489.55 and 257,377.92 is: 385,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,810.36 : 1,184,489.55 = 257,377.92 : x
  2. Step 2: Convert to fraction form
    789,810.36/1,184,489.55 = 257,377.92/x
  3. Step 3: Cross multiply
    789,810.36x = 1,184,489.55 × 257,377.92
  4. Step 4: Simplify right side
    789,810.36x = 304,861,456,640.74
  5. Step 5: Solve for x
    x = 304,861,456,640.74/789,810.36
  6. Step 6: Final answer
    x = 385,993.24

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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.