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Finding the Fourth Proportional to 448,488.32, 618,918.72 and 244,537.56

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Solution

The fourth proportional to 448,488.32, 618,918.72 and 244,537.56 is: 337,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,488.32 : 618,918.72 = 244,537.56 : x
  2. Step 2: Convert to fraction form
    448,488.32/618,918.72 = 244,537.56/x
  3. Step 3: Cross multiply
    448,488.32x = 618,918.72 × 244,537.56
  4. Step 4: Simplify right side
    448,488.32x = 151,348,873,627.12
  5. Step 5: Solve for x
    x = 151,348,873,627.12/448,488.32
  6. Step 6: Final answer
    x = 337,464.47

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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.