Home / 758,460.43-1,137,860.34-285,149.89

Finding the Fourth Proportional to 758,460.43, 1,137,860.34 and 285,149.89

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Solution

The fourth proportional to 758,460.43, 1,137,860.34 and 285,149.89 is: 427,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,460.43 : 1,137,860.34 = 285,149.89 : x
  2. Step 2: Convert to fraction form
    758,460.43/1,137,860.34 = 285,149.89/x
  3. Step 3: Cross multiply
    758,460.43x = 1,137,860.34 × 285,149.89
  4. Step 4: Simplify right side
    758,460.43x = 324,460,750,786.36
  5. Step 5: Solve for x
    x = 324,460,750,786.36/758,460.43
  6. Step 6: Final answer
    x = 427,788.63

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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.