Home / 850,922.80-1,276,297.80-289,949.20

Finding the Fourth Proportional to 850,922.80, 1,276,297.80 and 289,949.20

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Solution

The fourth proportional to 850,922.80, 1,276,297.80 and 289,949.20 is: 434,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,922.80 : 1,276,297.80 = 289,949.20 : x
  2. Step 2: Convert to fraction form
    850,922.80/1,276,297.80 = 289,949.20/x
  3. Step 3: Cross multiply
    850,922.80x = 1,276,297.80 × 289,949.20
  4. Step 4: Simplify right side
    850,922.80x = 370,061,526,071.76
  5. Step 5: Solve for x
    x = 370,061,526,071.76/850,922.80
  6. Step 6: Final answer
    x = 434,894.36

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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.