Home / 940,574.56-1,297,996.60-510,861.86

Finding the Fourth Proportional to 940,574.56, 1,297,996.60 and 510,861.86

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Solution

The fourth proportional to 940,574.56, 1,297,996.60 and 510,861.86 is: 704,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,574.56 : 1,297,996.60 = 510,861.86 : x
  2. Step 2: Convert to fraction form
    940,574.56/1,297,996.60 = 510,861.86/x
  3. Step 3: Cross multiply
    940,574.56x = 1,297,996.60 × 510,861.86
  4. Step 4: Simplify right side
    940,574.56x = 663,096,957,349.68
  5. Step 5: Solve for x
    x = 663,096,957,349.68/940,574.56
  6. Step 6: Final answer
    x = 704,991.38

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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.