Home / 807,716.90-1,114,453.56-458,779.68

Finding the Fourth Proportional to 807,716.90, 1,114,453.56 and 458,779.68

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Solution

The fourth proportional to 807,716.90, 1,114,453.56 and 458,779.68 is: 633,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,716.90 : 1,114,453.56 = 458,779.68 : x
  2. Step 2: Convert to fraction form
    807,716.90/1,114,453.56 = 458,779.68/x
  3. Step 3: Cross multiply
    807,716.90x = 1,114,453.56 × 458,779.68
  4. Step 4: Simplify right side
    807,716.90x = 511,288,647,631.66
  5. Step 5: Solve for x
    x = 511,288,647,631.66/807,716.90
  6. Step 6: Final answer
    x = 633,004.77

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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.