Home / 446,530.20-669,795.30-278,568.60

Finding the Fourth Proportional to 446,530.20, 669,795.30 and 278,568.60

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Solution

The fourth proportional to 446,530.20, 669,795.30 and 278,568.60 is: 417,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,530.20 : 669,795.30 = 278,568.60 : x
  2. Step 2: Convert to fraction form
    446,530.20/669,795.30 = 278,568.60/x
  3. Step 3: Cross multiply
    446,530.20x = 669,795.30 × 278,568.60
  4. Step 4: Simplify right side
    446,530.20x = 186,583,939,007.58
  5. Step 5: Solve for x
    x = 186,583,939,007.58/446,530.20
  6. Step 6: Final answer
    x = 417,852.90

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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.