Finding the Fourth Proportional to 927,221.97, 1,279,275.79 and 519,268.71
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Solution
The fourth proportional to 927,221.97, 1,279,275.79 and 519,268.71 is: 716,428.12
Step by Step Solution
- Step 1: Write the proportion equation
927,221.97 : 1,279,275.79 = 519,268.71 : x - Step 2: Convert to fraction form
927,221.97/1,279,275.79 = 519,268.71/x - Step 3: Cross multiply
927,221.97x = 1,279,275.79 × 519,268.71 - Step 4: Simplify right side
927,221.97x = 664,287,889,207.53 - Step 5: Solve for x
x = 664,287,889,207.53/927,221.97 - Step 6: Final answer
x = 716,428.12
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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.