Finding the Fourth Proportional to 870,282.81, 1,305,487.44 and 364,334.94
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Solution
The fourth proportional to 870,282.81, 1,305,487.44 and 364,334.94 is: 546,528.88
Step by Step Solution
- Step 1: Write the proportion equation
870,282.81 : 1,305,487.44 = 364,334.94 : x - Step 2: Convert to fraction form
870,282.81/1,305,487.44 = 364,334.94/x - Step 3: Cross multiply
870,282.81x = 1,305,487.44 × 364,334.94 - Step 4: Simplify right side
870,282.81x = 475,634,688,123.15 - Step 5: Solve for x
x = 475,634,688,123.15/870,282.81 - Step 6: Final answer
x = 546,528.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.