Finding the Fourth Proportional to 528,668.37, 729,563.08 and 286,950.99
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Solution
The fourth proportional to 528,668.37, 729,563.08 and 286,950.99 is: 395,992.76
Step by Step Solution
- Step 1: Write the proportion equation
528,668.37 : 729,563.08 = 286,950.99 : x - Step 2: Convert to fraction form
528,668.37/729,563.08 = 286,950.99/x - Step 3: Cross multiply
528,668.37x = 729,563.08 × 286,950.99 - Step 4: Simplify right side
528,668.37x = 209,348,847,356.07 - Step 5: Solve for x
x = 209,348,847,356.07/528,668.37 - Step 6: Final answer
x = 395,992.76
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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.