Home / 624,826.31-862,268.67-349,172.05

Finding the Fourth Proportional to 624,826.31, 862,268.67 and 349,172.05

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Solution

The fourth proportional to 624,826.31, 862,268.67 and 349,172.05 is: 481,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,826.31 : 862,268.67 = 349,172.05 : x
  2. Step 2: Convert to fraction form
    624,826.31/862,268.67 = 349,172.05/x
  3. Step 3: Cross multiply
    624,826.31x = 862,268.67 × 349,172.05
  4. Step 4: Simplify right side
    624,826.31x = 301,080,114,843.33
  5. Step 5: Solve for x
    x = 301,080,114,843.33/624,826.31
  6. Step 6: Final answer
    x = 481,862.10

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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.