Finding the Fourth Proportional to 499,511.10, 749,266.65 and 487,847.10
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Solution
The fourth proportional to 499,511.10, 749,266.65 and 487,847.10 is: 731,770.65
Step by Step Solution
- Step 1: Write the proportion equation
499,511.10 : 749,266.65 = 487,847.10 : x - Step 2: Convert to fraction form
499,511.10/749,266.65 = 487,847.10/x - Step 3: Cross multiply
499,511.10x = 749,266.65 × 487,847.10 - Step 4: Simplify right side
499,511.10x = 365,527,562,329.22 - Step 5: Solve for x
x = 365,527,562,329.22/499,511.10 - Step 6: Final answer
x = 731,770.65
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Similar ratio
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1.5x scale
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.