Finding the Fourth Proportional to 748,021.92, 1,122,042.80 and 249,386.08
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Solution
The fourth proportional to 748,021.92, 1,122,042.80 and 249,386.08 is: 374,082.43
Step by Step Solution
- Step 1: Write the proportion equation
748,021.92 : 1,122,042.80 = 249,386.08 : x - Step 2: Convert to fraction form
748,021.92/1,122,042.80 = 249,386.08/x - Step 3: Cross multiply
748,021.92x = 1,122,042.80 × 249,386.08 - Step 4: Simplify right side
748,021.92x = 279,821,855,484.22 - Step 5: Solve for x
x = 279,821,855,484.22/748,021.92 - Step 6: Final answer
x = 374,082.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.