Finding the Fourth Proportional to 958,138.29, 1,322,673.60 and 590,681.09
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Solution
The fourth proportional to 958,138.29, 1,322,673.60 and 590,681.09 is: 815,412.86
Step by Step Solution
- Step 1: Write the proportion equation
958,138.29 : 1,322,673.60 = 590,681.09 : x - Step 2: Convert to fraction form
958,138.29/1,322,673.60 = 590,681.09/x - Step 3: Cross multiply
958,138.29x = 1,322,673.60 × 590,681.09 - Step 4: Simplify right side
958,138.29x = 781,278,285,961.38 - Step 5: Solve for x
x = 781,278,285,961.38/958,138.29 - Step 6: Final answer
x = 815,412.86
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1.5x scale
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.