Finding the Fourth Proportional to 902,125.07, 1,244,460.20 and 557,851.17
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Solution
The fourth proportional to 902,125.07, 1,244,460.20 and 557,851.17 is: 769,542.50
Step by Step Solution
- Step 1: Write the proportion equation
902,125.07 : 1,244,460.20 = 557,851.17 : x - Step 2: Convert to fraction form
902,125.07/1,244,460.20 = 557,851.17/x - Step 3: Cross multiply
902,125.07x = 1,244,460.20 × 557,851.17 - Step 4: Simplify right side
902,125.07x = 694,223,578,588.43 - Step 5: Solve for x
x = 694,223,578,588.43/902,125.07 - Step 6: Final answer
x = 769,542.50
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1.5x scale
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.