Finding the Fourth Proportional to 661,590.68, 991,936.91 and 336,579.99
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Solution
The fourth proportional to 661,590.68, 991,936.91 and 336,579.99 is: 504,641.50
Step by Step Solution
- Step 1: Write the proportion equation
661,590.68 : 991,936.91 = 336,579.99 : x - Step 2: Convert to fraction form
661,590.68/991,936.91 = 336,579.99/x - Step 3: Cross multiply
661,590.68x = 991,936.91 × 336,579.99 - Step 4: Simplify right side
661,590.68x = 333,866,113,565.53 - Step 5: Solve for x
x = 333,866,113,565.53/661,590.68 - Step 6: Final answer
x = 504,641.50
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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.