Home / 746,904.80-1,120,357.20-248,268.80

Finding the Fourth Proportional to 746,904.80, 1,120,357.20 and 248,268.80

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Solution

The fourth proportional to 746,904.80, 1,120,357.20 and 248,268.80 is: 372,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,904.80 : 1,120,357.20 = 248,268.80 : x
  2. Step 2: Convert to fraction form
    746,904.80/1,120,357.20 = 248,268.80/x
  3. Step 3: Cross multiply
    746,904.80x = 1,120,357.20 × 248,268.80
  4. Step 4: Simplify right side
    746,904.80x = 278,149,737,615.36
  5. Step 5: Solve for x
    x = 278,149,737,615.36/746,904.80
  6. Step 6: Final answer
    x = 372,403.20

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Double scale
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Similar ratio
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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.