Home / 929,037.60-1,393,556.40-298,015.20

Finding the Fourth Proportional to 929,037.60, 1,393,556.40 and 298,015.20

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Solution

The fourth proportional to 929,037.60, 1,393,556.40 and 298,015.20 is: 447,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,037.60 : 1,393,556.40 = 298,015.20 : x
  2. Step 2: Convert to fraction form
    929,037.60/1,393,556.40 = 298,015.20/x
  3. Step 3: Cross multiply
    929,037.60x = 1,393,556.40 × 298,015.20
  4. Step 4: Simplify right side
    929,037.60x = 415,300,989,257.28
  5. Step 5: Solve for x
    x = 415,300,989,257.28/929,037.60
  6. Step 6: Final answer
    x = 447,022.80

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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.