Home / 488,014.04-673,331.60-281,231.78

Finding the Fourth Proportional to 488,014.04, 673,331.60 and 281,231.78

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Solution

The fourth proportional to 488,014.04, 673,331.60 and 281,231.78 is: 388,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,014.04 : 673,331.60 = 281,231.78 : x
  2. Step 2: Convert to fraction form
    488,014.04/673,331.60 = 281,231.78/x
  3. Step 3: Cross multiply
    488,014.04x = 673,331.60 × 281,231.78
  4. Step 4: Simplify right side
    488,014.04x = 189,362,244,398.25
  5. Step 5: Solve for x
    x = 189,362,244,398.25/488,014.04
  6. Step 6: Final answer
    x = 388,026.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.