Finding the Fourth Proportional to 1,089,385.91, 1,634,170.33 and 331,233.96
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Solution
The fourth proportional to 1,089,385.91, 1,634,170.33 and 331,233.96 is: 496,878.75
Step by Step Solution
- Step 1: Write the proportion equation
1,089,385.91 : 1,634,170.33 = 331,233.96 : x - Step 2: Convert to fraction form
1,089,385.91/1,634,170.33 = 331,233.96/x - Step 3: Cross multiply
1,089,385.91x = 1,634,170.33 × 331,233.96 - Step 4: Simplify right side
1,089,385.91x = 541,292,709,720.41 - Step 5: Solve for x
x = 541,292,709,720.41/1,089,385.91 - Step 6: Final answer
x = 496,878.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.