Home / 1,108,676.70-1,663,015.05-478,820.70

Finding the Fourth Proportional to 1,108,676.70, 1,663,015.05 and 478,820.70

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Solution

The fourth proportional to 1,108,676.70, 1,663,015.05 and 478,820.70 is: 718,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,676.70 : 1,663,015.05 = 478,820.70 : x
  2. Step 2: Convert to fraction form
    1,108,676.70/1,663,015.05 = 478,820.70/x
  3. Step 3: Cross multiply
    1,108,676.70x = 1,663,015.05 × 478,820.70
  4. Step 4: Simplify right side
    1,108,676.70x = 796,286,030,351.54
  5. Step 5: Solve for x
    x = 796,286,030,351.54/1,108,676.70
  6. Step 6: Final answer
    x = 718,231.05

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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.