Finding the Fourth Proportional to 662,435.80, 914,164.87 and 360,631.96
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Solution
The fourth proportional to 662,435.80, 914,164.87 and 360,631.96 is: 497,673.99
Step by Step Solution
- Step 1: Write the proportion equation
662,435.80 : 914,164.87 = 360,631.96 : x - Step 2: Convert to fraction form
662,435.80/914,164.87 = 360,631.96/x - Step 3: Cross multiply
662,435.80x = 914,164.87 × 360,631.96 - Step 4: Simplify right side
662,435.80x = 329,677,068,831.25 - Step 5: Solve for x
x = 329,677,068,831.25/662,435.80 - Step 6: Final answer
x = 497,673.99
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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.