Finding the Fourth Proportional to 535,344.68, 738,837.36 and 320,484.68
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Solution
The fourth proportional to 535,344.68, 738,837.36 and 320,484.68 is: 442,305.80
Step by Step Solution
- Step 1: Write the proportion equation
535,344.68 : 738,837.36 = 320,484.68 : x - Step 2: Convert to fraction form
535,344.68/738,837.36 = 320,484.68/x - Step 3: Cross multiply
535,344.68x = 738,837.36 × 320,484.68 - Step 4: Simplify right side
535,344.68x = 236,786,054,891.65 - Step 5: Solve for x
x = 236,786,054,891.65/535,344.68 - Step 6: Final answer
x = 442,305.80
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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.