Finding the Fourth Proportional to 528,781.14, 729,447.66 and 337,593.60
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Solution
The fourth proportional to 528,781.14, 729,447.66 and 337,593.60 is: 465,706.59
Step by Step Solution
- Step 1: Write the proportion equation
528,781.14 : 729,447.66 = 337,593.60 : x - Step 2: Convert to fraction form
528,781.14/729,447.66 = 337,593.60/x - Step 3: Cross multiply
528,781.14x = 729,447.66 × 337,593.60 - Step 4: Simplify right side
528,781.14x = 246,256,861,550.98 - Step 5: Solve for x
x = 246,256,861,550.98/528,781.14 - Step 6: Final answer
x = 465,706.59
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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.