Finding the Fourth Proportional to 776,524.58, 1,071,593.68 and 449,882.12
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Solution
The fourth proportional to 776,524.58, 1,071,593.68 and 449,882.12 is: 620,831.39
Step by Step Solution
- Step 1: Write the proportion equation
776,524.58 : 1,071,593.68 = 449,882.12 : x - Step 2: Convert to fraction form
776,524.58/1,071,593.68 = 449,882.12/x - Step 3: Cross multiply
776,524.58x = 1,071,593.68 × 449,882.12 - Step 4: Simplify right side
776,524.58x = 482,090,834,287.59 - Step 5: Solve for x
x = 482,090,834,287.59/776,524.58 - Step 6: Final answer
x = 620,831.39
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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.