Home / 789,533.68-1,184,289.45-190,489.72

Finding the Fourth Proportional to 789,533.68, 1,184,289.45 and 190,489.72

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Solution

The fourth proportional to 789,533.68, 1,184,289.45 and 190,489.72 is: 285,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,533.68 : 1,184,289.45 = 190,489.72 : x
  2. Step 2: Convert to fraction form
    789,533.68/1,184,289.45 = 190,489.72/x
  3. Step 3: Cross multiply
    789,533.68x = 1,184,289.45 × 190,489.72
  4. Step 4: Simplify right side
    789,533.68x = 225,594,965,729.45
  5. Step 5: Solve for x
    x = 225,594,965,729.45/789,533.68
  6. Step 6: Final answer
    x = 285,731.91

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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.