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Finding the Fourth Proportional to 446,998.80, 670,498.20 and 443,888.40

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Solution

The fourth proportional to 446,998.80, 670,498.20 and 443,888.40 is: 665,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,998.80 : 670,498.20 = 443,888.40 : x
  2. Step 2: Convert to fraction form
    446,998.80/670,498.20 = 443,888.40/x
  3. Step 3: Cross multiply
    446,998.80x = 670,498.20 × 443,888.40
  4. Step 4: Simplify right side
    446,998.80x = 297,626,373,200.88
  5. Step 5: Solve for x
    x = 297,626,373,200.88/446,998.80
  6. Step 6: Final answer
    x = 665,832.60

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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.