Home / 789,731.44-1,184,744.81-316,453.70

Finding the Fourth Proportional to 789,731.44, 1,184,744.81 and 316,453.70

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Solution

The fourth proportional to 789,731.44, 1,184,744.81 and 316,453.70 is: 474,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,731.44 : 1,184,744.81 = 316,453.70 : x
  2. Step 2: Convert to fraction form
    789,731.44/1,184,744.81 = 316,453.70/x
  3. Step 3: Cross multiply
    789,731.44x = 1,184,744.81 × 316,453.70
  4. Step 4: Simplify right side
    789,731.44x = 374,916,882,433.29
  5. Step 5: Solve for x
    x = 374,916,882,433.29/789,731.44
  6. Step 6: Final answer
    x = 474,739.72

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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.