Finding the Fourth Proportional to 847,516.07, 1,169,580.23 and 465,542.84
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Solution
The fourth proportional to 847,516.07, 1,169,580.23 and 465,542.84 is: 642,453.54
Step by Step Solution
- Step 1: Write the proportion equation
847,516.07 : 1,169,580.23 = 465,542.84 : x - Step 2: Convert to fraction form
847,516.07/1,169,580.23 = 465,542.84/x - Step 3: Cross multiply
847,516.07x = 1,169,580.23 × 465,542.84 - Step 4: Simplify right side
847,516.07x = 544,489,693,706.44 - Step 5: Solve for x
x = 544,489,693,706.44/847,516.07 - Step 6: Final answer
x = 642,453.54
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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.