Finding the Fourth Proportional to 851,305.36, 1,174,787.40 and 469,367.68
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Solution
The fourth proportional to 851,305.36, 1,174,787.40 and 469,367.68 is: 647,719.68
Step by Step Solution
- Step 1: Write the proportion equation
851,305.36 : 1,174,787.40 = 469,367.68 : x - Step 2: Convert to fraction form
851,305.36/1,174,787.40 = 469,367.68/x - Step 3: Cross multiply
851,305.36x = 1,174,787.40 × 469,367.68 - Step 4: Simplify right side
851,305.36x = 551,407,236,431.23 - Step 5: Solve for x
x = 551,407,236,431.23/851,305.36 - Step 6: Final answer
x = 647,719.68
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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.