Finding the Fourth Proportional to 870,865.97, 1,306,381.37 and 338,428.04
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Solution
The fourth proportional to 870,865.97, 1,306,381.37 and 338,428.04 is: 507,674.08
Step by Step Solution
- Step 1: Write the proportion equation
870,865.97 : 1,306,381.37 = 338,428.04 : x - Step 2: Convert to fraction form
870,865.97/1,306,381.37 = 338,428.04/x - Step 3: Cross multiply
870,865.97x = 1,306,381.37 × 338,428.04 - Step 4: Simplify right side
870,865.97x = 442,116,078,317.57 - Step 5: Solve for x
x = 442,116,078,317.57/870,865.97 - Step 6: Final answer
x = 507,674.08
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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.