Finding the Fourth Proportional to 822,253.65, 1,232,819.22 and 438,060
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Solution
The fourth proportional to 822,253.65, 1,232,819.22 and 438,060 is: 656,790.99
Step by Step Solution
- Step 1: Write the proportion equation
822,253.65 : 1,232,819.22 = 438,060 : x - Step 2: Convert to fraction form
822,253.65/1,232,819.22 = 438,060/x - Step 3: Cross multiply
822,253.65x = 1,232,819.22 × 438,060 - Step 4: Simplify right side
822,253.65x = 540,048,787,513.20 - Step 5: Solve for x
x = 540,048,787,513.20/822,253.65 - Step 6: Final answer
x = 656,790.99
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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.