Finding the Fourth Proportional to 631,039.68, 870,841.44 and 344,566.08
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Solution
The fourth proportional to 631,039.68, 870,841.44 and 344,566.08 is: 475,504.84
Step by Step Solution
- Step 1: Write the proportion equation
631,039.68 : 870,841.44 = 344,566.08 : x - Step 2: Convert to fraction form
631,039.68/870,841.44 = 344,566.08/x - Step 3: Cross multiply
631,039.68x = 870,841.44 × 344,566.08 - Step 4: Simplify right side
631,039.68x = 300,062,421,282.36 - Step 5: Solve for x
x = 300,062,421,282.36/631,039.68 - Step 6: Final answer
x = 475,504.84
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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.