Finding the Fourth Proportional to 809,239.19, 1,116,583.36 and 465,008.61
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Solution
The fourth proportional to 809,239.19, 1,116,583.36 and 465,008.61 is: 641,616.09
Step by Step Solution
- Step 1: Write the proportion equation
809,239.19 : 1,116,583.36 = 465,008.61 : x - Step 2: Convert to fraction form
809,239.19/1,116,583.36 = 465,008.61/x - Step 3: Cross multiply
809,239.19x = 1,116,583.36 × 465,008.61 - Step 4: Simplify right side
809,239.19x = 519,220,881,823.07 - Step 5: Solve for x
x = 519,220,881,823.07/809,239.19 - Step 6: Final answer
x = 641,616.09
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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.