Finding the Fourth Proportional to 841,279.16, 1,160,959.26 and 459,305.96
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Solution
The fourth proportional to 841,279.16, 1,160,959.26 and 459,305.96 is: 633,838.96
Step by Step Solution
- Step 1: Write the proportion equation
841,279.16 : 1,160,959.26 = 459,305.96 : x - Step 2: Convert to fraction form
841,279.16/1,160,959.26 = 459,305.96/x - Step 3: Cross multiply
841,279.16x = 1,160,959.26 × 459,305.96 - Step 4: Simplify right side
841,279.16x = 533,235,507,435.19 - Step 5: Solve for x
x = 533,235,507,435.19/841,279.16 - Step 6: Final answer
x = 633,838.96
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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.