Finding the Fourth Proportional to 840,755.84, 1,261,135.12 and 673,340.99
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Solution
The fourth proportional to 840,755.84, 1,261,135.12 and 673,340.99 is: 1,010,012.57
Step by Step Solution
- Step 1: Write the proportion equation
840,755.84 : 1,261,135.12 = 673,340.99 : x - Step 2: Convert to fraction form
840,755.84/1,261,135.12 = 673,340.99/x - Step 3: Cross multiply
840,755.84x = 1,261,135.12 × 673,340.99 - Step 4: Simplify right side
840,755.84x = 849,173,963,918.89 - Step 5: Solve for x
x = 849,173,963,918.89/840,755.84 - Step 6: Final answer
x = 1,010,012.57
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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.