Home / 624,826.80-862,269.36-349,172.54

Finding the Fourth Proportional to 624,826.80, 862,269.36 and 349,172.54

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Solution

The fourth proportional to 624,826.80, 862,269.36 and 349,172.54 is: 481,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,826.80 : 862,269.36 = 349,172.54 : x
  2. Step 2: Convert to fraction form
    624,826.80/862,269.36 = 349,172.54/x
  3. Step 3: Cross multiply
    624,826.80x = 862,269.36 × 349,172.54
  4. Step 4: Simplify right side
    624,826.80x = 301,080,782,595.37
  5. Step 5: Solve for x
    x = 301,080,782,595.37/624,826.80
  6. Step 6: Final answer
    x = 481,862.79

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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.