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Finding the Fourth Proportional to 507,250.24, 699,996.60 and 280,890.88

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Solution

The fourth proportional to 507,250.24, 699,996.60 and 280,890.88 is: 387,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,250.24 : 699,996.60 = 280,890.88 : x
  2. Step 2: Convert to fraction form
    507,250.24/699,996.60 = 280,890.88/x
  3. Step 3: Cross multiply
    507,250.24x = 699,996.60 × 280,890.88
  4. Step 4: Simplify right side
    507,250.24x = 196,622,660,971.01
  5. Step 5: Solve for x
    x = 196,622,660,971.01/507,250.24
  6. Step 6: Final answer
    x = 387,624.58

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1.5x scale

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.