Finding the Fourth Proportional to 726,202.80, 1,089,312.12 and 220,845.96
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Solution
The fourth proportional to 726,202.80, 1,089,312.12 and 220,845.96 is: 331,271.35
Step by Step Solution
- Step 1: Write the proportion equation
726,202.80 : 1,089,312.12 = 220,845.96 : x - Step 2: Convert to fraction form
726,202.80/1,089,312.12 = 220,845.96/x - Step 3: Cross multiply
726,202.80x = 1,089,312.12 × 220,845.96 - Step 4: Simplify right side
726,202.80x = 240,570,180,881.04 - Step 5: Solve for x
x = 240,570,180,881.04/726,202.80 - Step 6: Final answer
x = 331,271.35
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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.