Home / 793,322.72-1,190,217.38-319,764.32

Finding the Fourth Proportional to 793,322.72, 1,190,217.38 and 319,764.32

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Solution

The fourth proportional to 793,322.72, 1,190,217.38 and 319,764.32 is: 479,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,322.72 : 1,190,217.38 = 319,764.32 : x
  2. Step 2: Convert to fraction form
    793,322.72/1,190,217.38 = 319,764.32/x
  3. Step 3: Cross multiply
    793,322.72x = 1,190,217.38 × 319,764.32
  4. Step 4: Simplify right side
    793,322.72x = 380,589,051,167.88
  5. Step 5: Solve for x
    x = 380,589,051,167.88/793,322.72
  6. Step 6: Final answer
    x = 479,740.52

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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.