Home / 758,404.37-1,137,609.68-189,783.92

Finding the Fourth Proportional to 758,404.37, 1,137,609.68 and 189,783.92

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Solution

The fourth proportional to 758,404.37, 1,137,609.68 and 189,783.92 is: 284,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,404.37 : 1,137,609.68 = 189,783.92 : x
  2. Step 2: Convert to fraction form
    758,404.37/1,137,609.68 = 189,783.92/x
  3. Step 3: Cross multiply
    758,404.37x = 1,137,609.68 × 189,783.92
  4. Step 4: Simplify right side
    758,404.37x = 215,900,026,395.45
  5. Step 5: Solve for x
    x = 215,900,026,395.45/758,404.37
  6. Step 6: Final answer
    x = 284,676.66

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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.