Home / 850,258.30-1,275,350.55-317,783.94

Finding the Fourth Proportional to 850,258.30, 1,275,350.55 and 317,783.94

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Solution

The fourth proportional to 850,258.30, 1,275,350.55 and 317,783.94 is: 476,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,258.30 : 1,275,350.55 = 317,783.94 : x
  2. Step 2: Convert to fraction form
    850,258.30/1,275,350.55 = 317,783.94/x
  3. Step 3: Cross multiply
    850,258.30x = 1,275,350.55 × 317,783.94
  4. Step 4: Simplify right side
    850,258.30x = 405,285,922,660.17
  5. Step 5: Solve for x
    x = 405,285,922,660.17/850,258.30
  6. Step 6: Final answer
    x = 476,662.12

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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.