Home / 672,051.20-1,008,076.80-298,074.20

Finding the Fourth Proportional to 672,051.20, 1,008,076.80 and 298,074.20

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Solution

The fourth proportional to 672,051.20, 1,008,076.80 and 298,074.20 is: 447,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,051.20 : 1,008,076.80 = 298,074.20 : x
  2. Step 2: Convert to fraction form
    672,051.20/1,008,076.80 = 298,074.20/x
  3. Step 3: Cross multiply
    672,051.20x = 1,008,076.80 × 298,074.20
  4. Step 4: Simplify right side
    672,051.20x = 300,481,685,698.56
  5. Step 5: Solve for x
    x = 300,481,685,698.56/672,051.20
  6. Step 6: Final answer
    x = 447,111.30

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Double scale
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Similar ratio
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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.