Finding the Fourth Proportional to 638,729.33, 881,583.27 and 366,947.08
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Solution
The fourth proportional to 638,729.33, 881,583.27 and 366,947.08 is: 506,465.55
Step by Step Solution
- Step 1: Write the proportion equation
638,729.33 : 881,583.27 = 366,947.08 : x - Step 2: Convert to fraction form
638,729.33/881,583.27 = 366,947.08/x - Step 3: Cross multiply
638,729.33x = 881,583.27 × 366,947.08 - Step 4: Simplify right side
638,729.33x = 323,494,403,123.34 - Step 5: Solve for x
x = 323,494,403,123.34/638,729.33 - Step 6: Final answer
x = 506,465.55
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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.