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Finding the Fourth Proportional to 446,820.30, 670,230.45 and 313,850.70

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Solution

The fourth proportional to 446,820.30, 670,230.45 and 313,850.70 is: 470,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,820.30 : 670,230.45 = 313,850.70 : x
  2. Step 2: Convert to fraction form
    446,820.30/670,230.45 = 313,850.70/x
  3. Step 3: Cross multiply
    446,820.30x = 670,230.45 × 313,850.70
  4. Step 4: Simplify right side
    446,820.30x = 210,352,295,893.82
  5. Step 5: Solve for x
    x = 210,352,295,893.82/446,820.30
  6. Step 6: Final answer
    x = 470,776.05

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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.