Finding the Fourth Proportional to 416,789.84, 624,433.08 and 256,586.96
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Solution
The fourth proportional to 416,789.84, 624,433.08 and 256,586.96 is: 384,417.69
Step by Step Solution
- Step 1: Write the proportion equation
416,789.84 : 624,433.08 = 256,586.96 : x - Step 2: Convert to fraction form
416,789.84/624,433.08 = 256,586.96/x - Step 3: Cross multiply
416,789.84x = 624,433.08 × 256,586.96 - Step 4: Simplify right side
416,789.84x = 160,221,385,720.64 - Step 5: Solve for x
x = 160,221,385,720.64/416,789.84 - Step 6: Final answer
x = 384,417.69
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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.