Finding the Fourth Proportional to 552,533.08, 762,563.16 and 310,825.84
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Solution
The fourth proportional to 552,533.08, 762,563.16 and 310,825.84 is: 428,977.64
Step by Step Solution
- Step 1: Write the proportion equation
552,533.08 : 762,563.16 = 310,825.84 : x - Step 2: Convert to fraction form
552,533.08/762,563.16 = 310,825.84/x - Step 3: Cross multiply
552,533.08x = 762,563.16 × 310,825.84 - Step 4: Simplify right side
552,533.08x = 237,024,334,760.05 - Step 5: Solve for x
x = 237,024,334,760.05/552,533.08 - Step 6: Final answer
x = 428,977.64
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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.