Finding the Fourth Proportional to 504,474.16, 756,071.34 and 499,135.05
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Solution
The fourth proportional to 504,474.16, 756,071.34 and 499,135.05 is: 748,069.45
Step by Step Solution
- Step 1: Write the proportion equation
504,474.16 : 756,071.34 = 499,135.05 : x - Step 2: Convert to fraction form
504,474.16/756,071.34 = 499,135.05/x - Step 3: Cross multiply
504,474.16x = 756,071.34 × 499,135.05 - Step 4: Simplify right side
504,474.16x = 377,381,706,094.47 - Step 5: Solve for x
x = 377,381,706,094.47/504,474.16 - Step 6: Final answer
x = 748,069.45
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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.