Home / 446,166.27-664,996.73-420,947.39

Finding the Fourth Proportional to 446,166.27, 664,996.73 and 420,947.39

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Solution

The fourth proportional to 446,166.27, 664,996.73 and 420,947.39 is: 627,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,166.27 : 664,996.73 = 420,947.39 : x
  2. Step 2: Convert to fraction form
    446,166.27/664,996.73 = 420,947.39/x
  3. Step 3: Cross multiply
    446,166.27x = 664,996.73 × 420,947.39
  4. Step 4: Simplify right side
    446,166.27x = 279,928,637,409.79
  5. Step 5: Solve for x
    x = 279,928,637,409.79/446,166.27
  6. Step 6: Final answer
    x = 627,408.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.