Home / 759,716.21-1,139,576.24-310,437

Finding the Fourth Proportional to 759,716.21, 1,139,576.24 and 310,437

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Solution

The fourth proportional to 759,716.21, 1,139,576.24 and 310,437 is: 465,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,716.21 : 1,139,576.24 = 310,437 : x
  2. Step 2: Convert to fraction form
    759,716.21/1,139,576.24 = 310,437/x
  3. Step 3: Cross multiply
    759,716.21x = 1,139,576.24 × 310,437
  4. Step 4: Simplify right side
    759,716.21x = 353,766,629,216.88
  5. Step 5: Solve for x
    x = 353,766,629,216.88/759,716.21
  6. Step 6: Final answer
    x = 465,656.29

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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.