Finding the Fourth Proportional to 546,803.28, 754,961.64 and 353,679.12
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Solution
The fourth proportional to 546,803.28, 754,961.64 and 353,679.12 is: 488,318.52
Step by Step Solution
- Step 1: Write the proportion equation
546,803.28 : 754,961.64 = 353,679.12 : x - Step 2: Convert to fraction form
546,803.28/754,961.64 = 353,679.12/x - Step 3: Cross multiply
546,803.28x = 754,961.64 × 353,679.12 - Step 4: Simplify right side
546,803.28x = 267,014,168,468.96 - Step 5: Solve for x
x = 267,014,168,468.96/546,803.28 - Step 6: Final answer
x = 488,318.52
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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.