Home / 507,982.12-701,016.30-281,627.62

Finding the Fourth Proportional to 507,982.12, 701,016.30 and 281,627.62

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Solution

The fourth proportional to 507,982.12, 701,016.30 and 281,627.62 is: 388,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,982.12 : 701,016.30 = 281,627.62 : x
  2. Step 2: Convert to fraction form
    507,982.12/701,016.30 = 281,627.62/x
  3. Step 3: Cross multiply
    507,982.12x = 701,016.30 × 281,627.62
  4. Step 4: Simplify right side
    507,982.12x = 197,425,552,150.21
  5. Step 5: Solve for x
    x = 197,425,552,150.21/507,982.12
  6. Step 6: Final answer
    x = 388,646.66

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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.