Home / 758,551.89-1,137,871.62-285,241.35

Finding the Fourth Proportional to 758,551.89, 1,137,871.62 and 285,241.35

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Solution

The fourth proportional to 758,551.89, 1,137,871.62 and 285,241.35 is: 427,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,551.89 : 1,137,871.62 = 285,241.35 : x
  2. Step 2: Convert to fraction form
    758,551.89/1,137,871.62 = 285,241.35/x
  3. Step 3: Cross multiply
    758,551.89x = 1,137,871.62 × 285,241.35
  4. Step 4: Simplify right side
    758,551.89x = 324,568,037,015.49
  5. Step 5: Solve for x
    x = 324,568,037,015.49/758,551.89
  6. Step 6: Final answer
    x = 427,878.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.