Finding the Fourth Proportional to 698,281.29, 1,047,881.21 and 382,959.63
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Solution
The fourth proportional to 698,281.29, 1,047,881.21 and 382,959.63 is: 574,691.32
Step by Step Solution
- Step 1: Write the proportion equation
698,281.29 : 1,047,881.21 = 382,959.63 : x - Step 2: Convert to fraction form
698,281.29/1,047,881.21 = 382,959.63/x - Step 3: Cross multiply
698,281.29x = 1,047,881.21 × 382,959.63 - Step 4: Simplify right side
698,281.29x = 401,296,198,550.75 - Step 5: Solve for x
x = 401,296,198,550.75/698,281.29 - Step 6: Final answer
x = 574,691.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.