Finding the Fourth Proportional to 418,964.49, 628,072.97 and 348,465.48
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Solution
The fourth proportional to 418,964.49, 628,072.97 and 348,465.48 is: 522,387.34
Step by Step Solution
- Step 1: Write the proportion equation
418,964.49 : 628,072.97 = 348,465.48 : x - Step 2: Convert to fraction form
418,964.49/628,072.97 = 348,465.48/x - Step 3: Cross multiply
418,964.49x = 628,072.97 × 348,465.48 - Step 4: Simplify right side
418,964.49x = 218,861,747,223.75 - Step 5: Solve for x
x = 218,861,747,223.75/418,964.49 - Step 6: Final answer
x = 522,387.34
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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.