Home / 790,450.56-1,185,825.60-317,173.20

Finding the Fourth Proportional to 790,450.56, 1,185,825.60 and 317,173.20

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Solution

The fourth proportional to 790,450.56, 1,185,825.60 and 317,173.20 is: 475,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,450.56 : 1,185,825.60 = 317,173.20 : x
  2. Step 2: Convert to fraction form
    790,450.56/1,185,825.60 = 317,173.20/x
  3. Step 3: Cross multiply
    790,450.56x = 1,185,825.60 × 317,173.20
  4. Step 4: Simplify right side
    790,450.56x = 376,112,100,193.92
  5. Step 5: Solve for x
    x = 376,112,100,193.92/790,450.56
  6. Step 6: Final answer
    x = 475,819.89

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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.