Finding the Fourth Proportional to 519,592.99, 716,975.04 and 290,163.02
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Solution
The fourth proportional to 519,592.99, 716,975.04 and 290,163.02 is: 400,389.63
Step by Step Solution
- Step 1: Write the proportion equation
519,592.99 : 716,975.04 = 290,163.02 : x - Step 2: Convert to fraction form
519,592.99/716,975.04 = 290,163.02/x - Step 3: Cross multiply
519,592.99x = 716,975.04 × 290,163.02 - Step 4: Simplify right side
519,592.99x = 208,039,642,871.02 - Step 5: Solve for x
x = 208,039,642,871.02/519,592.99 - Step 6: Final answer
x = 400,389.63
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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.