Finding the Fourth Proportional to 847,637.22, 1,169,804.94 and 485,174.79
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Solution
The fourth proportional to 847,637.22, 1,169,804.94 and 485,174.79 is: 669,578.75
Step by Step Solution
- Step 1: Write the proportion equation
847,637.22 : 1,169,804.94 = 485,174.79 : x - Step 2: Convert to fraction form
847,637.22/1,169,804.94 = 485,174.79/x - Step 3: Cross multiply
847,637.22x = 1,169,804.94 × 485,174.79 - Step 4: Simplify right side
847,637.22x = 567,559,866,105.46 - Step 5: Solve for x
x = 567,559,866,105.46/847,637.22 - Step 6: Final answer
x = 669,578.75
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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.