Home / 1,089,753.32-1,634,691.47-331,619.50

Finding the Fourth Proportional to 1,089,753.32, 1,634,691.47 and 331,619.50

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Solution

The fourth proportional to 1,089,753.32, 1,634,691.47 and 331,619.50 is: 497,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,753.32 : 1,634,691.47 = 331,619.50 : x
  2. Step 2: Convert to fraction form
    1,089,753.32/1,634,691.47 = 331,619.50/x
  3. Step 3: Cross multiply
    1,089,753.32x = 1,634,691.47 × 331,619.50
  4. Step 4: Simplify right side
    1,089,753.32x = 542,095,562,190.84
  5. Step 5: Solve for x
    x = 542,095,562,190.84/1,089,753.32
  6. Step 6: Final answer
    x = 497,447.96

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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.