Finding the Fourth Proportional to 875,722.92, 1,313,992.62 and 861,570.60
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Solution
The fourth proportional to 875,722.92, 1,313,992.62 and 861,570.60 is: 1,292,757.54
Step by Step Solution
- Step 1: Write the proportion equation
875,722.92 : 1,313,992.62 = 861,570.60 : x - Step 2: Convert to fraction form
875,722.92/1,313,992.62 = 861,570.60/x - Step 3: Cross multiply
875,722.92x = 1,313,992.62 × 861,570.60 - Step 4: Simplify right side
875,722.92x = 1,132,097,410,008.97 - Step 5: Solve for x
x = 1,132,097,410,008.97/875,722.92 - Step 6: Final answer
x = 1,292,757.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.