Home / 785,902.64-1,179,311.41-330,460.96

Finding the Fourth Proportional to 785,902.64, 1,179,311.41 and 330,460.96

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Solution

The fourth proportional to 785,902.64, 1,179,311.41 and 330,460.96 is: 495,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,902.64 : 1,179,311.41 = 330,460.96 : x
  2. Step 2: Convert to fraction form
    785,902.64/1,179,311.41 = 330,460.96/x
  3. Step 3: Cross multiply
    785,902.64x = 1,179,311.41 × 330,460.96
  4. Step 4: Simplify right side
    785,902.64x = 389,716,378,152.35
  5. Step 5: Solve for x
    x = 389,716,378,152.35/785,902.64
  6. Step 6: Final answer
    x = 495,883.79

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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.