Home / 624,826.81-862,269.36-349,172.55

Finding the Fourth Proportional to 624,826.81, 862,269.36 and 349,172.55

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Solution

The fourth proportional to 624,826.81, 862,269.36 and 349,172.55 is: 481,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,826.81 : 862,269.36 = 349,172.55 : x
  2. Step 2: Convert to fraction form
    624,826.81/862,269.36 = 349,172.55/x
  3. Step 3: Cross multiply
    624,826.81x = 862,269.36 × 349,172.55
  4. Step 4: Simplify right side
    624,826.81x = 301,080,786,906.72
  5. Step 5: Solve for x
    x = 301,080,786,906.72/624,826.81
  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.