Finding the Fourth Proportional to 1,089,089.84, 1,633,737.21 and 320,588.05
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Solution
The fourth proportional to 1,089,089.84, 1,633,737.21 and 320,588.05 is: 480,912.23
Step by Step Solution
- Step 1: Write the proportion equation
1,089,089.84 : 1,633,737.21 = 320,588.05 : x - Step 2: Convert to fraction form
1,089,089.84/1,633,737.21 = 320,588.05/x - Step 3: Cross multiply
1,089,089.84x = 1,633,737.21 × 320,588.05 - Step 4: Simplify right side
1,089,089.84x = 523,756,627,206.31 - Step 5: Solve for x
x = 523,756,627,206.31/1,089,089.84 - Step 6: Final answer
x = 480,912.23
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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.