Finding the Fourth Proportional to 870,871.08, 1,201,735.74 and 488,824.05
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Solution
The fourth proportional to 870,871.08, 1,201,735.74 and 488,824.05 is: 674,539.95
Step by Step Solution
- Step 1: Write the proportion equation
870,871.08 : 1,201,735.74 = 488,824.05 : x - Step 2: Convert to fraction form
870,871.08/1,201,735.74 = 488,824.05/x - Step 3: Cross multiply
870,871.08x = 1,201,735.74 × 488,824.05 - Step 4: Simplify right side
870,871.08x = 587,437,331,456.55 - Step 5: Solve for x
x = 587,437,331,456.55/870,871.08 - Step 6: Final answer
x = 674,539.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.