Finding the Fourth Proportional to 815,569.52, 1,125,895.02 and 509,815.99
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Solution
The fourth proportional to 815,569.52, 1,125,895.02 and 509,815.99 is: 703,801.78
Step by Step Solution
- Step 1: Write the proportion equation
815,569.52 : 1,125,895.02 = 509,815.99 : x - Step 2: Convert to fraction form
815,569.52/1,125,895.02 = 509,815.99/x - Step 3: Cross multiply
815,569.52x = 1,125,895.02 × 509,815.99 - Step 4: Simplify right side
815,569.52x = 573,999,276,078.82 - Step 5: Solve for x
x = 573,999,276,078.82/815,569.52 - Step 6: Final answer
x = 703,801.78
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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.