Finding the Fourth Proportional to 930,490.46, 1,284,564.62 and 626,166.98
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Solution
The fourth proportional to 930,490.46, 1,284,564.62 and 626,166.98 is: 864,438.68
Step by Step Solution
- Step 1: Write the proportion equation
930,490.46 : 1,284,564.62 = 626,166.98 : x - Step 2: Convert to fraction form
930,490.46/1,284,564.62 = 626,166.98/x - Step 3: Cross multiply
930,490.46x = 1,284,564.62 × 626,166.98 - Step 4: Simplify right side
930,490.46x = 804,351,948,720.25 - Step 5: Solve for x
x = 804,351,948,720.25/930,490.46 - Step 6: Final answer
x = 864,438.68
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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.