Finding the Fourth Proportional to 878,869.19, 1,316,153.97 and 793,672.58
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Solution
The fourth proportional to 878,869.19, 1,316,153.97 and 793,672.58 is: 1,188,567.45
Step by Step Solution
- Step 1: Write the proportion equation
878,869.19 : 1,316,153.97 = 793,672.58 : x - Step 2: Convert to fraction form
878,869.19/1,316,153.97 = 793,672.58/x - Step 3: Cross multiply
878,869.19x = 1,316,153.97 × 793,672.58 - Step 4: Simplify right side
878,869.19x = 1,044,595,310,466.37 - Step 5: Solve for x
x = 1,044,595,310,466.37/878,869.19 - Step 6: Final answer
x = 1,188,567.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.