Finding the Fourth Proportional to 868,674.16, 1,197,272.91 and 577,765.09
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Solution
The fourth proportional to 868,674.16, 1,197,272.91 and 577,765.09 is: 796,319.87
Step by Step Solution
- Step 1: Write the proportion equation
868,674.16 : 1,197,272.91 = 577,765.09 : x - Step 2: Convert to fraction form
868,674.16/1,197,272.91 = 577,765.09/x - Step 3: Cross multiply
868,674.16x = 1,197,272.91 × 577,765.09 - Step 4: Simplify right side
868,674.16x = 691,742,490,600.71 - Step 5: Solve for x
x = 691,742,490,600.71/868,674.16 - Step 6: Final answer
x = 796,319.87
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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.