Finding the Fourth Proportional to 870,958.80, 1,306,102.24 and 338,409.68
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Solution
The fourth proportional to 870,958.80, 1,306,102.24 and 338,409.68 is: 507,483.98
Step by Step Solution
- Step 1: Write the proportion equation
870,958.80 : 1,306,102.24 = 338,409.68 : x - Step 2: Convert to fraction form
870,958.80/1,306,102.24 = 338,409.68/x - Step 3: Cross multiply
870,958.80x = 1,306,102.24 × 338,409.68 - Step 4: Simplify right side
870,958.80x = 441,997,641,085.68 - Step 5: Solve for x
x = 441,997,641,085.68/870,958.80 - Step 6: Final answer
x = 507,483.98
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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.