Finding the Fourth Proportional to 930,804.20, 1,284,369.84 and 522,827.88
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Solution
The fourth proportional to 930,804.20, 1,284,369.84 and 522,827.88 is: 721,423.86
Step by Step Solution
- Step 1: Write the proportion equation
930,804.20 : 1,284,369.84 = 522,827.88 : x - Step 2: Convert to fraction form
930,804.20/1,284,369.84 = 522,827.88/x - Step 3: Cross multiply
930,804.20x = 1,284,369.84 × 522,827.88 - Step 4: Simplify right side
930,804.20x = 671,504,360,583.14 - Step 5: Solve for x
x = 671,504,360,583.14/930,804.20 - Step 6: Final answer
x = 721,423.86
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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.