Home / 789,930.99-1,184,930.33-310,262.76

Finding the Fourth Proportional to 789,930.99, 1,184,930.33 and 310,262.76

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Solution

The fourth proportional to 789,930.99, 1,184,930.33 and 310,262.76 is: 465,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,930.99 : 1,184,930.33 = 310,262.76 : x
  2. Step 2: Convert to fraction form
    789,930.99/1,184,930.33 = 310,262.76/x
  3. Step 3: Cross multiply
    789,930.99x = 1,184,930.33 × 310,262.76
  4. Step 4: Simplify right side
    789,930.99x = 367,639,753,042.20
  5. Step 5: Solve for x
    x = 367,639,753,042.20/789,930.99
  6. Step 6: Final answer
    x = 465,407.43

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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.