Finding the Fourth Proportional to 989,202.60, 1,365,108.26 and 536,493.60
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Solution
The fourth proportional to 989,202.60, 1,365,108.26 and 536,493.60 is: 740,365.87
Step by Step Solution
- Step 1: Write the proportion equation
989,202.60 : 1,365,108.26 = 536,493.60 : x - Step 2: Convert to fraction form
989,202.60/1,365,108.26 = 536,493.60/x - Step 3: Cross multiply
989,202.60x = 1,365,108.26 × 536,493.60 - Step 4: Simplify right side
989,202.60x = 732,371,842,114.67 - Step 5: Solve for x
x = 732,371,842,114.67/989,202.60 - Step 6: Final answer
x = 740,365.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.