Finding the Fourth Proportional to 878,365.49, 1,211,660.16 and 606,576.06
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Solution
The fourth proportional to 878,365.49, 1,211,660.16 and 606,576.06 is: 836,740.58
Step by Step Solution
- Step 1: Write the proportion equation
878,365.49 : 1,211,660.16 = 606,576.06 : x - Step 2: Convert to fraction form
878,365.49/1,211,660.16 = 606,576.06/x - Step 3: Cross multiply
878,365.49x = 1,211,660.16 × 606,576.06 - Step 4: Simplify right side
878,365.49x = 734,964,045,911.77 - Step 5: Solve for x
x = 734,964,045,911.77/878,365.49 - Step 6: Final answer
x = 836,740.58
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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.