Finding the Fourth Proportional to 982,340.10, 1,354,898.60 and 867,415.98
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Solution
The fourth proportional to 982,340.10, 1,354,898.60 and 867,415.98 is: 1,196,388.80
Step by Step Solution
- Step 1: Write the proportion equation
982,340.10 : 1,354,898.60 = 867,415.98 : x - Step 2: Convert to fraction form
982,340.10/1,354,898.60 = 867,415.98/x - Step 3: Cross multiply
982,340.10x = 1,354,898.60 × 867,415.98 - Step 4: Simplify right side
982,340.10x = 1,175,260,696,919.63 - Step 5: Solve for x
x = 1,175,260,696,919.63/982,340.10 - Step 6: Final answer
x = 1,196,388.80
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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.