Finding the Fourth Proportional to 902,270.28, 1,353,310.05 and 475,635.18
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Solution
The fourth proportional to 902,270.28, 1,353,310.05 and 475,635.18 is: 713,402.50
Step by Step Solution
- Step 1: Write the proportion equation
902,270.28 : 1,353,310.05 = 475,635.18 : x - Step 2: Convert to fraction form
902,270.28/1,353,310.05 = 475,635.18/x - Step 3: Cross multiply
902,270.28x = 1,353,310.05 × 475,635.18 - Step 4: Simplify right side
902,270.28x = 643,681,869,227.56 - Step 5: Solve for x
x = 643,681,869,227.56/902,270.28 - Step 6: Final answer
x = 713,402.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.