Home / 671,880.60-1,008,051.30-298,171.80

Finding the Fourth Proportional to 671,880.60, 1,008,051.30 and 298,171.80

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Solution

The fourth proportional to 671,880.60, 1,008,051.30 and 298,171.80 is: 447,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,880.60 : 1,008,051.30 = 298,171.80 : x
  2. Step 2: Convert to fraction form
    671,880.60/1,008,051.30 = 298,171.80/x
  3. Step 3: Cross multiply
    671,880.60x = 1,008,051.30 × 298,171.80
  4. Step 4: Simplify right side
    671,880.60x = 300,572,470,613.34
  5. Step 5: Solve for x
    x = 300,572,470,613.34/671,880.60
  6. Step 6: Final answer
    x = 447,359.95

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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.