Finding the Fourth Proportional to 719,349.80, 992,093.26 and 432,816.36
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Solution
The fourth proportional to 719,349.80, 992,093.26 and 432,816.36 is: 596,919.88
Step by Step Solution
- Step 1: Write the proportion equation
719,349.80 : 992,093.26 = 432,816.36 : x - Step 2: Convert to fraction form
719,349.80/992,093.26 = 432,816.36/x - Step 3: Cross multiply
719,349.80x = 992,093.26 × 432,816.36 - Step 4: Simplify right side
719,349.80x = 429,394,193,573.73 - Step 5: Solve for x
x = 429,394,193,573.73/719,349.80 - Step 6: Final answer
x = 596,919.88
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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.