Finding the Fourth Proportional to 822,249.41, 1,232,812.84 and 438,055.71
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Solution
The fourth proportional to 822,249.41, 1,232,812.84 and 438,055.71 is: 656,784.54
Step by Step Solution
- Step 1: Write the proportion equation
822,249.41 : 1,232,812.84 = 438,055.71 : x - Step 2: Convert to fraction form
822,249.41/1,232,812.84 = 438,055.71/x - Step 3: Cross multiply
822,249.41x = 1,232,812.84 × 438,055.71 - Step 4: Simplify right side
822,249.41x = 540,040,702,828.18 - Step 5: Solve for x
x = 540,040,702,828.18/822,249.41 - Step 6: Final answer
x = 656,784.54
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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.