Home / 690,804.78-1,036,301.46-241,421.36

Finding the Fourth Proportional to 690,804.78, 1,036,301.46 and 241,421.36

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Solution

The fourth proportional to 690,804.78, 1,036,301.46 and 241,421.36 is: 362,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,804.78 : 1,036,301.46 = 241,421.36 : x
  2. Step 2: Convert to fraction form
    690,804.78/1,036,301.46 = 241,421.36/x
  3. Step 3: Cross multiply
    690,804.78x = 1,036,301.46 × 241,421.36
  4. Step 4: Simplify right side
    690,804.78x = 250,185,307,843.19
  5. Step 5: Solve for x
    x = 250,185,307,843.19/690,804.78
  6. Step 6: Final answer
    x = 362,164.99

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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.