Finding the Fourth Proportional to 551,707.70, 827,561.55 and 285,549.80
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Solution
The fourth proportional to 551,707.70, 827,561.55 and 285,549.80 is: 428,324.70
Step by Step Solution
- Step 1: Write the proportion equation
551,707.70 : 827,561.55 = 285,549.80 : x - Step 2: Convert to fraction form
551,707.70/827,561.55 = 285,549.80/x - Step 3: Cross multiply
551,707.70x = 827,561.55 × 285,549.80 - Step 4: Simplify right side
551,707.70x = 236,310,035,090.19 - Step 5: Solve for x
x = 236,310,035,090.19/551,707.70 - Step 6: Final answer
x = 428,324.70
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1.5x scale
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.