Finding the Fourth Proportional to 841,278.68, 1,160,958.58 and 459,305.46
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Solution
The fourth proportional to 841,278.68, 1,160,958.58 and 459,305.46 is: 633,838.26
Step by Step Solution
- Step 1: Write the proportion equation
841,278.68 : 1,160,958.58 = 459,305.46 : x - Step 2: Convert to fraction form
841,278.68/1,160,958.58 = 459,305.46/x - Step 3: Cross multiply
841,278.68x = 1,160,958.58 × 459,305.46 - Step 4: Simplify right side
841,278.68x = 533,234,614,627.85 - Step 5: Solve for x
x = 533,234,614,627.85/841,278.68 - Step 6: Final answer
x = 633,838.26
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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.