Finding the Fourth Proportional to 847,889.79, 1,168,918.73 and 676,389.84
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Solution
The fourth proportional to 847,889.79, 1,168,918.73 and 676,389.84 is: 932,485.28
Step by Step Solution
- Step 1: Write the proportion equation
847,889.79 : 1,168,918.73 = 676,389.84 : x - Step 2: Convert to fraction form
847,889.79/1,168,918.73 = 676,389.84/x - Step 3: Cross multiply
847,889.79x = 1,168,918.73 × 676,389.84 - Step 4: Simplify right side
847,889.79x = 790,644,749,375.75 - Step 5: Solve for x
x = 790,644,749,375.75/847,889.79 - Step 6: Final answer
x = 932,485.28
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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.