Home / 758,540.05-1,137,853.76-285,229.51

Finding the Fourth Proportional to 758,540.05, 1,137,853.76 and 285,229.51

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Solution

The fourth proportional to 758,540.05, 1,137,853.76 and 285,229.51 is: 427,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,540.05 : 1,137,853.76 = 285,229.51 : x
  2. Step 2: Convert to fraction form
    758,540.05/1,137,853.76 = 285,229.51/x
  3. Step 3: Cross multiply
    758,540.05x = 1,137,853.76 × 285,229.51
  4. Step 4: Simplify right side
    758,540.05x = 324,549,470,416.46
  5. Step 5: Solve for x
    x = 324,549,470,416.46/758,540.05
  6. Step 6: Final answer
    x = 427,860.69

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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.