Finding the Fourth Proportional to 902,420.01, 1,245,905.88 and 580,689.24
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Solution
The fourth proportional to 902,420.01, 1,245,905.88 and 580,689.24 is: 801,715.53
Step by Step Solution
- Step 1: Write the proportion equation
902,420.01 : 1,245,905.88 = 580,689.24 : x - Step 2: Convert to fraction form
902,420.01/1,245,905.88 = 580,689.24/x - Step 3: Cross multiply
902,420.01x = 1,245,905.88 × 580,689.24 - Step 4: Simplify right side
902,420.01x = 723,484,138,568.73 - Step 5: Solve for x
x = 723,484,138,568.73/902,420.01 - Step 6: Final answer
x = 801,715.53
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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.