Finding the Fourth Proportional to 546,489.81, 753,898.56 and 355,433.49
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Solution
The fourth proportional to 546,489.81, 753,898.56 and 355,433.49 is: 490,330.82
Step by Step Solution
- Step 1: Write the proportion equation
546,489.81 : 753,898.56 = 355,433.49 : x - Step 2: Convert to fraction form
546,489.81/753,898.56 = 355,433.49/x - Step 3: Cross multiply
546,489.81x = 753,898.56 × 355,433.49 - Step 4: Simplify right side
546,489.81x = 267,960,796,286.77 - Step 5: Solve for x
x = 267,960,796,286.77/546,489.81 - Step 6: Final answer
x = 490,330.82
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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.