Finding the Fourth Proportional to 841,278.42, 1,160,958.27 and 459,305.19
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Solution
The fourth proportional to 841,278.42, 1,160,958.27 and 459,305.19 is: 633,837.91
Step by Step Solution
- Step 1: Write the proportion equation
841,278.42 : 1,160,958.27 = 459,305.19 : x - Step 2: Convert to fraction form
841,278.42/1,160,958.27 = 459,305.19/x - Step 3: Cross multiply
841,278.42x = 1,160,958.27 × 459,305.19 - Step 4: Simplify right side
841,278.42x = 533,234,158,784.42 - Step 5: Solve for x
x = 533,234,158,784.42/841,278.42 - Step 6: Final answer
x = 633,837.91
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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.