Finding the Fourth Proportional to 822,267.44, 1,232,839.84 and 438,073.76
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Solution
The fourth proportional to 822,267.44, 1,232,839.84 and 438,073.76 is: 656,811.59
Step by Step Solution
- Step 1: Write the proportion equation
822,267.44 : 1,232,839.84 = 438,073.76 : x - Step 2: Convert to fraction form
822,267.44/1,232,839.84 = 438,073.76/x - Step 3: Cross multiply
822,267.44x = 1,232,839.84 × 438,073.76 - Step 4: Simplify right side
822,267.44x = 540,074,784,186.60 - Step 5: Solve for x
x = 540,074,784,186.60/822,267.44 - Step 6: Final answer
x = 656,811.59
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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.