Finding the Fourth Proportional to 953,571.78, 1,315,914.50 and 517,986.99
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Solution
The fourth proportional to 953,571.78, 1,315,914.50 and 517,986.99 is: 714,814.14
Step by Step Solution
- Step 1: Write the proportion equation
953,571.78 : 1,315,914.50 = 517,986.99 : x - Step 2: Convert to fraction form
953,571.78/1,315,914.50 = 517,986.99/x - Step 3: Cross multiply
953,571.78x = 1,315,914.50 × 517,986.99 - Step 4: Simplify right side
953,571.78x = 681,626,588,362.42 - Step 5: Solve for x
x = 681,626,588,362.42/953,571.78 - Step 6: Final answer
x = 714,814.14
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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.