Finding the Fourth Proportional to 513,755.99, 708,514.96 and 441,136.10
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Solution
The fourth proportional to 513,755.99, 708,514.96 and 441,136.10 is: 608,365.70
Step by Step Solution
- Step 1: Write the proportion equation
513,755.99 : 708,514.96 = 441,136.10 : x - Step 2: Convert to fraction form
513,755.99/708,514.96 = 441,136.10/x - Step 3: Cross multiply
513,755.99x = 708,514.96 × 441,136.10 - Step 4: Simplify right side
513,755.99x = 312,551,522,731.71 - Step 5: Solve for x
x = 312,551,522,731.71/513,755.99 - Step 6: Final answer
x = 608,365.70
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1.5x scale
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.