Home / 789,891.92-1,184,887.11-316,515.77

Finding the Fourth Proportional to 789,891.92, 1,184,887.11 and 316,515.77

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Solution

The fourth proportional to 789,891.92, 1,184,887.11 and 316,515.77 is: 474,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,891.92 : 1,184,887.11 = 316,515.77 : x
  2. Step 2: Convert to fraction form
    789,891.92/1,184,887.11 = 316,515.77/x
  3. Step 3: Cross multiply
    789,891.92x = 1,184,887.11 × 316,515.77
  4. Step 4: Simplify right side
    789,891.92x = 375,035,450,060.29
  5. Step 5: Solve for x
    x = 375,035,450,060.29/789,891.92
  6. Step 6: Final answer
    x = 474,793.38

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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.