Finding the Fourth Proportional to 868,242.63, 1,197,576.86 and 610,665.97
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Solution
The fourth proportional to 868,242.63, 1,197,576.86 and 610,665.97 is: 842,298.47
Step by Step Solution
- Step 1: Write the proportion equation
868,242.63 : 1,197,576.86 = 610,665.97 : x - Step 2: Convert to fraction form
868,242.63/1,197,576.86 = 610,665.97/x - Step 3: Cross multiply
868,242.63x = 1,197,576.86 × 610,665.97 - Step 4: Simplify right side
868,242.63x = 731,319,434,861.45 - Step 5: Solve for x
x = 731,319,434,861.45/868,242.63 - Step 6: Final answer
x = 842,298.47
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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.