Finding the Fourth Proportional to 891,696.87, 1,337,749.43 and 386,341.92
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Solution
The fourth proportional to 891,696.87, 1,337,749.43 and 386,341.92 is: 579,601.32
Step by Step Solution
- Step 1: Write the proportion equation
891,696.87 : 1,337,749.43 = 386,341.92 : x - Step 2: Convert to fraction form
891,696.87/1,337,749.43 = 386,341.92/x - Step 3: Cross multiply
891,696.87x = 1,337,749.43 × 386,341.92 - Step 4: Simplify right side
891,696.87x = 516,828,681,333.40 - Step 5: Solve for x
x = 516,828,681,333.40/891,696.87 - Step 6: Final answer
x = 579,601.32
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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.