Finding the Fourth Proportional to 679,343.08, 936,611.94 and 437,192.68
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Solution
The fourth proportional to 679,343.08, 936,611.94 and 437,192.68 is: 602,758.60
Step by Step Solution
- Step 1: Write the proportion equation
679,343.08 : 936,611.94 = 437,192.68 : x - Step 2: Convert to fraction form
679,343.08/936,611.94 = 437,192.68/x - Step 3: Cross multiply
679,343.08x = 936,611.94 × 437,192.68 - Step 4: Simplify right side
679,343.08x = 409,479,884,168.60 - Step 5: Solve for x
x = 409,479,884,168.60/679,343.08 - Step 6: Final answer
x = 602,758.60
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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.