Home / 892,403.85-1,231,564.55-510,495.33

Finding the Fourth Proportional to 892,403.85, 1,231,564.55 and 510,495.33

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Solution

The fourth proportional to 892,403.85, 1,231,564.55 and 510,495.33 is: 704,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,403.85 : 1,231,564.55 = 510,495.33 : x
  2. Step 2: Convert to fraction form
    892,403.85/1,231,564.55 = 510,495.33/x
  3. Step 3: Cross multiply
    892,403.85x = 1,231,564.55 × 510,495.33
  4. Step 4: Simplify right side
    892,403.85x = 628,707,951,368.55
  5. Step 5: Solve for x
    x = 628,707,951,368.55/892,403.85
  6. Step 6: Final answer
    x = 704,510.58

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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.