Home / 759,519.21-1,139,839.54-360,161.31

Finding the Fourth Proportional to 759,519.21, 1,139,839.54 and 360,161.31

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Solution

The fourth proportional to 759,519.21, 1,139,839.54 and 360,161.31 is: 540,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,519.21 : 1,139,839.54 = 360,161.31 : x
  2. Step 2: Convert to fraction form
    759,519.21/1,139,839.54 = 360,161.31/x
  3. Step 3: Cross multiply
    759,519.21x = 1,139,839.54 × 360,161.31
  4. Step 4: Simplify right side
    759,519.21x = 410,526,101,916.20
  5. Step 5: Solve for x
    x = 410,526,101,916.20/759,519.21
  6. Step 6: Final answer
    x = 540,507.86

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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.