Home / 690,939.78-1,036,200.48-241,576.89

Finding the Fourth Proportional to 690,939.78, 1,036,200.48 and 241,576.89

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Solution

The fourth proportional to 690,939.78, 1,036,200.48 and 241,576.89 is: 362,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,939.78 : 1,036,200.48 = 241,576.89 : x
  2. Step 2: Convert to fraction form
    690,939.78/1,036,200.48 = 241,576.89/x
  3. Step 3: Cross multiply
    690,939.78x = 1,036,200.48 × 241,576.89
  4. Step 4: Simplify right side
    690,939.78x = 250,322,089,374.91
  5. Step 5: Solve for x
    x = 250,322,089,374.91/690,939.78
  6. Step 6: Final answer
    x = 362,292.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.