Finding the Fourth Proportional to 822,106.76, 1,233,161.73 and 316,905.65
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Solution
The fourth proportional to 822,106.76, 1,233,161.73 and 316,905.65 is: 475,359.08
Step by Step Solution
- Step 1: Write the proportion equation
822,106.76 : 1,233,161.73 = 316,905.65 : x - Step 2: Convert to fraction form
822,106.76/1,233,161.73 = 316,905.65/x - Step 3: Cross multiply
822,106.76x = 1,233,161.73 × 316,905.65 - Step 4: Simplify right side
822,106.76x = 390,795,911,850.44 - Step 5: Solve for x
x = 390,795,911,850.44/822,106.76 - Step 6: Final answer
x = 475,359.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.