Home / 722,928.80-1,084,198.80-302,117.60

Finding the Fourth Proportional to 722,928.80, 1,084,198.80 and 302,117.60

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Solution

The fourth proportional to 722,928.80, 1,084,198.80 and 302,117.60 is: 453,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,928.80 : 1,084,198.80 = 302,117.60 : x
  2. Step 2: Convert to fraction form
    722,928.80/1,084,198.80 = 302,117.60/x
  3. Step 3: Cross multiply
    722,928.80x = 1,084,198.80 × 302,117.60
  4. Step 4: Simplify right side
    722,928.80x = 327,555,539,378.88
  5. Step 5: Solve for x
    x = 327,555,539,378.88/722,928.80
  6. Step 6: Final answer
    x = 453,095.16

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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.