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Finding the Fourth Proportional to 632,896.92, 873,399.54 and 346,419.24

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Solution

The fourth proportional to 632,896.92, 873,399.54 and 346,419.24 is: 478,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,896.92 : 873,399.54 = 346,419.24 : x
  2. Step 2: Convert to fraction form
    632,896.92/873,399.54 = 346,419.24/x
  3. Step 3: Cross multiply
    632,896.92x = 873,399.54 × 346,419.24
  4. Step 4: Simplify right side
    632,896.92x = 302,562,404,863.15
  5. Step 5: Solve for x
    x = 302,562,404,863.15/632,896.92
  6. Step 6: Final answer
    x = 478,059.53

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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.