Finding the Fourth Proportional to 660,494.38, 911,761.26 and 445,925.08
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Solution
The fourth proportional to 660,494.38, 911,761.26 and 445,925.08 is: 615,564.98
Step by Step Solution
- Step 1: Write the proportion equation
660,494.38 : 911,761.26 = 445,925.08 : x - Step 2: Convert to fraction form
660,494.38/911,761.26 = 445,925.08/x - Step 3: Cross multiply
660,494.38x = 911,761.26 × 445,925.08 - Step 4: Simplify right side
660,494.38x = 406,577,212,806.40 - Step 5: Solve for x
x = 406,577,212,806.40/660,494.38 - Step 6: Final answer
x = 615,564.98
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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.