Home / 672,106.70-1,008,160.05-298,129.70

Finding the Fourth Proportional to 672,106.70, 1,008,160.05 and 298,129.70

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Solution

The fourth proportional to 672,106.70, 1,008,160.05 and 298,129.70 is: 447,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,106.70 : 1,008,160.05 = 298,129.70 : x
  2. Step 2: Convert to fraction form
    672,106.70/1,008,160.05 = 298,129.70/x
  3. Step 3: Cross multiply
    672,106.70x = 1,008,160.05 × 298,129.70
  4. Step 4: Simplify right side
    672,106.70x = 300,562,453,258.49
  5. Step 5: Solve for x
    x = 300,562,453,258.49/672,106.70
  6. Step 6: Final answer
    x = 447,194.55

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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.