Finding the Fourth Proportional to 660,590.44, 911,584.26 and 374,112.58
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Solution
The fourth proportional to 660,590.44, 911,584.26 and 374,112.58 is: 516,258.06
Step by Step Solution
- Step 1: Write the proportion equation
660,590.44 : 911,584.26 = 374,112.58 : x - Step 2: Convert to fraction form
660,590.44/911,584.26 = 374,112.58/x - Step 3: Cross multiply
660,590.44x = 911,584.26 × 374,112.58 - Step 4: Simplify right side
660,590.44x = 341,035,139,395.99 - Step 5: Solve for x
x = 341,035,139,395.99/660,590.44 - Step 6: Final answer
x = 516,258.06
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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.