Finding the Fourth Proportional to 869,083.80, 1,303,625.70 and 729,115.80
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Solution
The fourth proportional to 869,083.80, 1,303,625.70 and 729,115.80 is: 1,093,673.70
Step by Step Solution
- Step 1: Write the proportion equation
869,083.80 : 1,303,625.70 = 729,115.80 : x - Step 2: Convert to fraction form
869,083.80/1,303,625.70 = 729,115.80/x - Step 3: Cross multiply
869,083.80x = 1,303,625.70 × 729,115.80 - Step 4: Simplify right side
869,083.80x = 950,494,095,156.06 - Step 5: Solve for x
x = 950,494,095,156.06/869,083.80 - Step 6: Final answer
x = 1,093,673.70
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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.