Finding the Fourth Proportional to 923,781.26, 1,274,465.68 and 561,068.30
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Solution
The fourth proportional to 923,781.26, 1,274,465.68 and 561,068.30 is: 774,060.18
Step by Step Solution
- Step 1: Write the proportion equation
923,781.26 : 1,274,465.68 = 561,068.30 : x - Step 2: Convert to fraction form
923,781.26/1,274,465.68 = 561,068.30/x - Step 3: Cross multiply
923,781.26x = 1,274,465.68 × 561,068.30 - Step 4: Simplify right side
923,781.26x = 715,062,284,710.95 - Step 5: Solve for x
x = 715,062,284,710.95/923,781.26 - Step 6: Final answer
x = 774,060.18
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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.