Home / 880,835.60-1,320,670.20-319,797.20

Finding the Fourth Proportional to 880,835.60, 1,320,670.20 and 319,797.20

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Solution

The fourth proportional to 880,835.60, 1,320,670.20 and 319,797.20 is: 479,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,835.60 : 1,320,670.20 = 319,797.20 : x
  2. Step 2: Convert to fraction form
    880,835.60/1,320,670.20 = 319,797.20/x
  3. Step 3: Cross multiply
    880,835.60x = 1,320,670.20 × 319,797.20
  4. Step 4: Simplify right side
    880,835.60x = 422,346,632,083.44
  5. Step 5: Solve for x
    x = 422,346,632,083.44/880,835.60
  6. Step 6: Final answer
    x = 479,484.06

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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.