Home / 941,420.60-1,299,162.08-511,699.56

Finding the Fourth Proportional to 941,420.60, 1,299,162.08 and 511,699.56

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Solution

The fourth proportional to 941,420.60, 1,299,162.08 and 511,699.56 is: 706,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,420.60 : 1,299,162.08 = 511,699.56 : x
  2. Step 2: Convert to fraction form
    941,420.60/1,299,162.08 = 511,699.56/x
  3. Step 3: Cross multiply
    941,420.60x = 1,299,162.08 × 511,699.56
  4. Step 4: Simplify right side
    941,420.60x = 664,780,664,704.69
  5. Step 5: Solve for x
    x = 664,780,664,704.69/941,420.60
  6. Step 6: Final answer
    x = 706,146.29

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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.