Home / 792,014.40-1,188,313.20-319,039.20

Finding the Fourth Proportional to 792,014.40, 1,188,313.20 and 319,039.20

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Solution

The fourth proportional to 792,014.40, 1,188,313.20 and 319,039.20 is: 478,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,014.40 : 1,188,313.20 = 319,039.20 : x
  2. Step 2: Convert to fraction form
    792,014.40/1,188,313.20 = 319,039.20/x
  3. Step 3: Cross multiply
    792,014.40x = 1,188,313.20 × 319,039.20
  4. Step 4: Simplify right side
    792,014.40x = 379,118,492,677.44
  5. Step 5: Solve for x
    x = 379,118,492,677.44/792,014.40
  6. Step 6: Final answer
    x = 478,676.26

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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.