Finding the Fourth Proportional to 1,029,034.78, 1,419,615.65 and 620,908.99
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Solution
The fourth proportional to 1,029,034.78, 1,419,615.65 and 620,908.99 is: 856,581.46
Step by Step Solution
- Step 1: Write the proportion equation
1,029,034.78 : 1,419,615.65 = 620,908.99 : x - Step 2: Convert to fraction form
1,029,034.78/1,419,615.65 = 620,908.99/x - Step 3: Cross multiply
1,029,034.78x = 1,419,615.65 × 620,908.99 - Step 4: Simplify right side
1,029,034.78x = 881,452,109,227.07 - Step 5: Solve for x
x = 881,452,109,227.07/1,029,034.78 - Step 6: Final answer
x = 856,581.46
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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.