Finding the Fourth Proportional to 702,095.78, 968,889.26 and 379,805.09
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Solution
The fourth proportional to 702,095.78, 968,889.26 and 379,805.09 is: 524,129.44
Step by Step Solution
- Step 1: Write the proportion equation
702,095.78 : 968,889.26 = 379,805.09 : x - Step 2: Convert to fraction form
702,095.78/968,889.26 = 379,805.09/x - Step 3: Cross multiply
702,095.78x = 968,889.26 × 379,805.09 - Step 4: Simplify right side
702,095.78x = 367,989,068,699.40 - Step 5: Solve for x
x = 367,989,068,699.40/702,095.78 - Step 6: Final answer
x = 524,129.44
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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.