Home / 672,152.20-1,008,228.30-298,175.20

Finding the Fourth Proportional to 672,152.20, 1,008,228.30 and 298,175.20

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Solution

The fourth proportional to 672,152.20, 1,008,228.30 and 298,175.20 is: 447,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,152.20 : 1,008,228.30 = 298,175.20 : x
  2. Step 2: Convert to fraction form
    672,152.20/1,008,228.30 = 298,175.20/x
  3. Step 3: Cross multiply
    672,152.20x = 1,008,228.30 × 298,175.20
  4. Step 4: Simplify right side
    672,152.20x = 300,628,674,998.16
  5. Step 5: Solve for x
    x = 300,628,674,998.16/672,152.20
  6. Step 6: Final answer
    x = 447,262.80

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Double scale
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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.