Finding the Fourth Proportional to 576,090.40, 864,135.60 and 551,207.20
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Solution
The fourth proportional to 576,090.40, 864,135.60 and 551,207.20 is: 826,810.80
Step by Step Solution
- Step 1: Write the proportion equation
576,090.40 : 864,135.60 = 551,207.20 : x - Step 2: Convert to fraction form
576,090.40/864,135.60 = 551,207.20/x - Step 3: Cross multiply
576,090.40x = 864,135.60 × 551,207.20 - Step 4: Simplify right side
576,090.40x = 476,317,764,496.32 - Step 5: Solve for x
x = 476,317,764,496.32/576,090.40 - Step 6: Final answer
x = 826,810.80
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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.