Home / 677,234.08-1,015,462.32-203,779.36

Finding the Fourth Proportional to 677,234.08, 1,015,462.32 and 203,779.36

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Solution

The fourth proportional to 677,234.08, 1,015,462.32 and 203,779.36 is: 305,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,234.08 : 1,015,462.32 = 203,779.36 : x
  2. Step 2: Convert to fraction form
    677,234.08/1,015,462.32 = 203,779.36/x
  3. Step 3: Cross multiply
    677,234.08x = 1,015,462.32 × 203,779.36
  4. Step 4: Simplify right side
    677,234.08x = 206,930,261,673.72
  5. Step 5: Solve for x
    x = 206,930,261,673.72/677,234.08
  6. Step 6: Final answer
    x = 305,552.05

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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.