Finding the Fourth Proportional to 528,598.05, 729,189.77 and 324,694.93
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Solution
The fourth proportional to 528,598.05, 729,189.77 and 324,694.93 is: 447,909.75
Step by Step Solution
- Step 1: Write the proportion equation
528,598.05 : 729,189.77 = 324,694.93 : x - Step 2: Convert to fraction form
528,598.05/729,189.77 = 324,694.93/x - Step 3: Cross multiply
528,598.05x = 729,189.77 × 324,694.93 - Step 4: Simplify right side
528,598.05x = 236,764,220,160.85 - Step 5: Solve for x
x = 236,764,220,160.85/528,598.05 - Step 6: Final answer
x = 447,909.75
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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.