Finding the Fourth Proportional to 908,478.24, 1,252,355.76 and 581,756.64
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Solution
The fourth proportional to 908,478.24, 1,252,355.76 and 581,756.64 is: 801,963.38
Step by Step Solution
- Step 1: Write the proportion equation
908,478.24 : 1,252,355.76 = 581,756.64 : x - Step 2: Convert to fraction form
908,478.24/1,252,355.76 = 581,756.64/x - Step 3: Cross multiply
908,478.24x = 1,252,355.76 × 581,756.64 - Step 4: Simplify right side
908,478.24x = 728,566,279,022.25 - Step 5: Solve for x
x = 728,566,279,022.25/908,478.24 - Step 6: Final answer
x = 801,963.38
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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.