Finding the Fourth Proportional to 586,575.28, 809,840.76 and 403,129.84
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Solution
The fourth proportional to 586,575.28, 809,840.76 and 403,129.84 is: 556,571.32
Step by Step Solution
- Step 1: Write the proportion equation
586,575.28 : 809,840.76 = 403,129.84 : x - Step 2: Convert to fraction form
586,575.28/809,840.76 = 403,129.84/x - Step 3: Cross multiply
586,575.28x = 809,840.76 × 403,129.84 - Step 4: Simplify right side
586,575.28x = 326,470,976,004.28 - Step 5: Solve for x
x = 326,470,976,004.28/586,575.28 - Step 6: Final answer
x = 556,571.32
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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.