Finding the Fourth Proportional to 499,512.18, 689,593.59 and 336,402.48
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Solution
The fourth proportional to 499,512.18, 689,593.59 and 336,402.48 is: 464,415.09
Step by Step Solution
- Step 1: Write the proportion equation
499,512.18 : 689,593.59 = 336,402.48 : x - Step 2: Convert to fraction form
499,512.18/689,593.59 = 336,402.48/x - Step 3: Cross multiply
499,512.18x = 689,593.59 × 336,402.48 - Step 4: Simplify right side
499,512.18x = 231,980,993,868.10 - Step 5: Solve for x
x = 231,980,993,868.10/499,512.18 - Step 6: Final answer
x = 464,415.09
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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.