Finding the Fourth Proportional to 504,927.84, 696,862.08 and 290,067.44
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Solution
The fourth proportional to 504,927.84, 696,862.08 and 290,067.44 is: 400,328.49
Step by Step Solution
- Step 1: Write the proportion equation
504,927.84 : 696,862.08 = 290,067.44 : x - Step 2: Convert to fraction form
504,927.84/696,862.08 = 290,067.44/x - Step 3: Cross multiply
504,927.84x = 696,862.08 × 290,067.44 - Step 4: Simplify right side
504,927.84x = 202,136,999,578.68 - Step 5: Solve for x
x = 202,136,999,578.68/504,927.84 - Step 6: Final answer
x = 400,328.49
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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.