Finding the Fourth Proportional to 1,029,044.78, 1,419,629.45 and 620,918.99
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Solution
The fourth proportional to 1,029,044.78, 1,419,629.45 and 620,918.99 is: 856,595.26
Step by Step Solution
- Step 1: Write the proportion equation
1,029,044.78 : 1,419,629.45 = 620,918.99 : x - Step 2: Convert to fraction form
1,029,044.78/1,419,629.45 = 620,918.99/x - Step 3: Cross multiply
1,029,044.78x = 1,419,629.45 × 620,918.99 - Step 4: Simplify right side
1,029,044.78x = 881,474,874,065.51 - Step 5: Solve for x
x = 881,474,874,065.51/1,029,044.78 - Step 6: Final answer
x = 856,595.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.