Finding the Fourth Proportional to 994,903.23, 1,372,953.33 and 553,374.84
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Solution
The fourth proportional to 994,903.23, 1,372,953.33 and 553,374.84 is: 763,649.98
Step by Step Solution
- Step 1: Write the proportion equation
994,903.23 : 1,372,953.33 = 553,374.84 : x - Step 2: Convert to fraction form
994,903.23/1,372,953.33 = 553,374.84/x - Step 3: Cross multiply
994,903.23x = 1,372,953.33 × 553,374.84 - Step 4: Simplify right side
994,903.23x = 759,757,829,316.22 - Step 5: Solve for x
x = 759,757,829,316.22/994,903.23 - Step 6: Final answer
x = 763,649.98
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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.