Home / 799,991.60-1,199,988.54-326,676.96

Finding the Fourth Proportional to 799,991.60, 1,199,988.54 and 326,676.96

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Solution

The fourth proportional to 799,991.60, 1,199,988.54 and 326,676.96 is: 490,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,991.60 : 1,199,988.54 = 326,676.96 : x
  2. Step 2: Convert to fraction form
    799,991.60/1,199,988.54 = 326,676.96/x
  3. Step 3: Cross multiply
    799,991.60x = 1,199,988.54 × 326,676.96
  4. Step 4: Simplify right side
    799,991.60x = 392,008,608,282.04
  5. Step 5: Solve for x
    x = 392,008,608,282.04/799,991.60
  6. Step 6: Final answer
    x = 490,015.91

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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.