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Finding the Fourth Proportional to 448,485.36, 618,914.61 and 244,534.56

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Solution

The fourth proportional to 448,485.36, 618,914.61 and 244,534.56 is: 337,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,485.36 : 618,914.61 = 244,534.56 : x
  2. Step 2: Convert to fraction form
    448,485.36/618,914.61 = 244,534.56/x
  3. Step 3: Cross multiply
    448,485.36x = 618,914.61 × 244,534.56
  4. Step 4: Simplify right side
    448,485.36x = 151,346,011,833.92
  5. Step 5: Solve for x
    x = 151,346,011,833.92/448,485.36
  6. Step 6: Final answer
    x = 337,460.32

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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.