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Finding the Fourth Proportional to 624,745.08, 862,144.56 and 338,259.24

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Solution

The fourth proportional to 624,745.08, 862,144.56 and 338,259.24 is: 466,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,745.08 : 862,144.56 = 338,259.24 : x
  2. Step 2: Convert to fraction form
    624,745.08/862,144.56 = 338,259.24/x
  3. Step 3: Cross multiply
    624,745.08x = 862,144.56 × 338,259.24
  4. Step 4: Simplify right side
    624,745.08x = 291,628,363,635.73
  5. Step 5: Solve for x
    x = 291,628,363,635.73/624,745.08
  6. Step 6: Final answer
    x = 466,795.77

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1.5x scale

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.