Finding the Fourth Proportional to 877,872.42, 1,211,424.03 and 551,354.10
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Solution
The fourth proportional to 877,872.42, 1,211,424.03 and 551,354.10 is: 760,843.59
Step by Step Solution
- Step 1: Write the proportion equation
877,872.42 : 1,211,424.03 = 551,354.10 : x - Step 2: Convert to fraction form
877,872.42/1,211,424.03 = 551,354.10/x - Step 3: Cross multiply
877,872.42x = 1,211,424.03 × 551,354.10 - Step 4: Simplify right side
877,872.42x = 667,923,605,779.02 - Step 5: Solve for x
x = 667,923,605,779.02/877,872.42 - Step 6: Final answer
x = 760,843.59
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1.5x scale
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.