Finding the Fourth Proportional to 921,229.58, 1,270,715.36 and 634,251.44
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Solution
The fourth proportional to 921,229.58, 1,270,715.36 and 634,251.44 is: 874,866.66
Step by Step Solution
- Step 1: Write the proportion equation
921,229.58 : 1,270,715.36 = 634,251.44 : x - Step 2: Convert to fraction form
921,229.58/1,270,715.36 = 634,251.44/x - Step 3: Cross multiply
921,229.58x = 1,270,715.36 × 634,251.44 - Step 4: Simplify right side
921,229.58x = 805,953,046,910.12 - Step 5: Solve for x
x = 805,953,046,910.12/921,229.58 - Step 6: Final answer
x = 874,866.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.