Home / 789,979.34-1,184,969.01-434,810.54

Finding the Fourth Proportional to 789,979.34, 1,184,969.01 and 434,810.54

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Solution

The fourth proportional to 789,979.34, 1,184,969.01 and 434,810.54 is: 652,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,979.34 : 1,184,969.01 = 434,810.54 : x
  2. Step 2: Convert to fraction form
    789,979.34/1,184,969.01 = 434,810.54/x
  3. Step 3: Cross multiply
    789,979.34x = 1,184,969.01 × 434,810.54
  4. Step 4: Simplify right side
    789,979.34x = 515,237,015,121.37
  5. Step 5: Solve for x
    x = 515,237,015,121.37/789,979.34
  6. Step 6: Final answer
    x = 652,215.81

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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.