Finding the Fourth Proportional to 869,979.96, 1,305,478 and 364,497.76
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Solution
The fourth proportional to 869,979.96, 1,305,478 and 364,497.76 is: 546,959.50
Step by Step Solution
- Step 1: Write the proportion equation
869,979.96 : 1,305,478 = 364,497.76 : x - Step 2: Convert to fraction form
869,979.96/1,305,478 = 364,497.76/x - Step 3: Cross multiply
869,979.96x = 1,305,478 × 364,497.76 - Step 4: Simplify right side
869,979.96x = 475,843,806,729.28 - Step 5: Solve for x
x = 475,843,806,729.28/869,979.96 - Step 6: Final answer
x = 546,959.50
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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.