Home / 447,072.60-670,608.90-294,857.40

Finding the Fourth Proportional to 447,072.60, 670,608.90 and 294,857.40

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Solution

The fourth proportional to 447,072.60, 670,608.90 and 294,857.40 is: 442,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,072.60 : 670,608.90 = 294,857.40 : x
  2. Step 2: Convert to fraction form
    447,072.60/670,608.90 = 294,857.40/x
  3. Step 3: Cross multiply
    447,072.60x = 670,608.90 × 294,857.40
  4. Step 4: Simplify right side
    447,072.60x = 197,733,996,670.86
  5. Step 5: Solve for x
    x = 197,733,996,670.86/447,072.60
  6. Step 6: Final answer
    x = 442,286.10

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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.