Finding the Fourth Proportional to 822,883.62, 1,133,056.03 and 720,335.19
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Solution
The fourth proportional to 822,883.62, 1,133,056.03 and 720,335.19 is: 991,853.66
Step by Step Solution
- Step 1: Write the proportion equation
822,883.62 : 1,133,056.03 = 720,335.19 : x - Step 2: Convert to fraction form
822,883.62/1,133,056.03 = 720,335.19/x - Step 3: Cross multiply
822,883.62x = 1,133,056.03 × 720,335.19 - Step 4: Simplify right side
822,883.62x = 816,180,130,650.70 - Step 5: Solve for x
x = 816,180,130,650.70/822,883.62 - Step 6: Final answer
x = 991,853.66
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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.