Finding the Fourth Proportional to 489,242.89, 732,909.33 and 337,080.99
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Solution
The fourth proportional to 489,242.89, 732,909.33 and 337,080.99 is: 504,963.50
Step by Step Solution
- Step 1: Write the proportion equation
489,242.89 : 732,909.33 = 337,080.99 : x - Step 2: Convert to fraction form
489,242.89/732,909.33 = 337,080.99/x - Step 3: Cross multiply
489,242.89x = 732,909.33 × 337,080.99 - Step 4: Simplify right side
489,242.89x = 247,049,802,536.64 - Step 5: Solve for x
x = 247,049,802,536.64/489,242.89 - Step 6: Final answer
x = 504,963.50
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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.