Finding the Fourth Proportional to 499,334.11, 688,992.49 and 295,393.62
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Solution
The fourth proportional to 499,334.11, 688,992.49 and 295,393.62 is: 407,590.79
Step by Step Solution
- Step 1: Write the proportion equation
499,334.11 : 688,992.49 = 295,393.62 : x - Step 2: Convert to fraction form
499,334.11/688,992.49 = 295,393.62/x - Step 3: Cross multiply
499,334.11x = 688,992.49 × 295,393.62 - Step 4: Simplify right side
499,334.11x = 203,523,985,773.91 - Step 5: Solve for x
x = 203,523,985,773.91/499,334.11 - Step 6: Final answer
x = 407,590.79
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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.