Home / 831,447.60-1,244,051.28-493,249.92

Finding the Fourth Proportional to 831,447.60, 1,244,051.28 and 493,249.92

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Solution

The fourth proportional to 831,447.60, 1,244,051.28 and 493,249.92 is: 738,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,447.60 : 1,244,051.28 = 493,249.92 : x
  2. Step 2: Convert to fraction form
    831,447.60/1,244,051.28 = 493,249.92/x
  3. Step 3: Cross multiply
    831,447.60x = 1,244,051.28 × 493,249.92
  4. Step 4: Simplify right side
    831,447.60x = 613,628,194,335.90
  5. Step 5: Solve for x
    x = 613,628,194,335.90/831,447.60
  6. Step 6: Final answer
    x = 738,023.89

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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.