Finding the Fourth Proportional to 433,220.94, 598,126.68 and 387,821.52
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Solution
The fourth proportional to 433,220.94, 598,126.68 and 387,821.52 is: 535,445.95
Step by Step Solution
- Step 1: Write the proportion equation
433,220.94 : 598,126.68 = 387,821.52 : x - Step 2: Convert to fraction form
433,220.94/598,126.68 = 387,821.52/x - Step 3: Cross multiply
433,220.94x = 598,126.68 × 387,821.52 - Step 4: Simplify right side
433,220.94x = 231,966,398,190.15 - Step 5: Solve for x
x = 231,966,398,190.15/433,220.94 - Step 6: Final answer
x = 535,445.95
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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.