Finding the Fourth Proportional to 624,334.62, 861,598.99 and 379,236.52
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Solution
The fourth proportional to 624,334.62, 861,598.99 and 379,236.52 is: 523,356.85
Step by Step Solution
- Step 1: Write the proportion equation
624,334.62 : 861,598.99 = 379,236.52 : x - Step 2: Convert to fraction form
624,334.62/861,598.99 = 379,236.52/x - Step 3: Cross multiply
624,334.62x = 861,598.99 × 379,236.52 - Step 4: Simplify right side
624,334.62x = 326,749,802,603.12 - Step 5: Solve for x
x = 326,749,802,603.12/624,334.62 - Step 6: Final answer
x = 523,356.85
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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.