Finding the Fourth Proportional to 982,336.60, 1,354,893.78 and 867,412.49
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Solution
The fourth proportional to 982,336.60, 1,354,893.78 and 867,412.49 is: 1,196,383.99
Step by Step Solution
- Step 1: Write the proportion equation
982,336.60 : 1,354,893.78 = 867,412.49 : x - Step 2: Convert to fraction form
982,336.60/1,354,893.78 = 867,412.49/x - Step 3: Cross multiply
982,336.60x = 1,354,893.78 × 867,412.49 - Step 4: Simplify right side
982,336.60x = 1,175,251,781,534.87 - Step 5: Solve for x
x = 1,175,251,781,534.87/982,336.60 - Step 6: Final answer
x = 1,196,383.99
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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.