Finding the Fourth Proportional to 438,604.92, 658,169.79 and 402,913.08
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Solution
The fourth proportional to 438,604.92, 658,169.79 and 402,913.08 is: 604,610.68
Step by Step Solution
- Step 1: Write the proportion equation
438,604.92 : 658,169.79 = 402,913.08 : x - Step 2: Convert to fraction form
438,604.92/658,169.79 = 402,913.08/x - Step 3: Cross multiply
438,604.92x = 658,169.79 × 402,913.08 - Step 4: Simplify right side
438,604.92x = 265,185,217,251.85 - Step 5: Solve for x
x = 265,185,217,251.85/438,604.92 - Step 6: Final answer
x = 604,610.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.