Finding the Fourth Proportional to 556,797.76, 768,463.36 and 327,345.28
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Solution
The fourth proportional to 556,797.76, 768,463.36 and 327,345.28 is: 451,784.96
Step by Step Solution
- Step 1: Write the proportion equation
556,797.76 : 768,463.36 = 327,345.28 : x - Step 2: Convert to fraction form
556,797.76/768,463.36 = 327,345.28/x - Step 3: Cross multiply
556,797.76x = 768,463.36 × 327,345.28 - Step 4: Simplify right side
556,797.76x = 251,552,853,748.94 - Step 5: Solve for x
x = 251,552,853,748.94/556,797.76 - Step 6: Final answer
x = 451,784.96
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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.