Home / 793,035.72-1,189,786.86-319,477.32

Finding the Fourth Proportional to 793,035.72, 1,189,786.86 and 319,477.32

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Solution

The fourth proportional to 793,035.72, 1,189,786.86 and 319,477.32 is: 479,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,035.72 : 1,189,786.86 = 319,477.32 : x
  2. Step 2: Convert to fraction form
    793,035.72/1,189,786.86 = 319,477.32/x
  3. Step 3: Cross multiply
    793,035.72x = 1,189,786.86 × 319,477.32
  4. Step 4: Simplify right side
    793,035.72x = 380,109,917,404.02
  5. Step 5: Solve for x
    x = 380,109,917,404.02/793,035.72
  6. Step 6: Final answer
    x = 479,309.96

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1.5x scale

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.