Finding the Fourth Proportional to 902,398.28, 1,351,757.58 and 427,643.72
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Solution
The fourth proportional to 902,398.28, 1,351,757.58 and 427,643.72 is: 640,593.69
Step by Step Solution
- Step 1: Write the proportion equation
902,398.28 : 1,351,757.58 = 427,643.72 : x - Step 2: Convert to fraction form
902,398.28/1,351,757.58 = 427,643.72/x - Step 3: Cross multiply
902,398.28x = 1,351,757.58 × 427,643.72 - Step 4: Simplify right side
902,398.28x = 578,070,640,049.40 - Step 5: Solve for x
x = 578,070,640,049.40/902,398.28 - Step 6: Final answer
x = 640,593.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.