Finding the Fourth Proportional to 812,152.80, 1,215,896.40 and 497,224.80
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Solution
The fourth proportional to 812,152.80, 1,215,896.40 and 497,224.80 is: 744,408.99
Step by Step Solution
- Step 1: Write the proportion equation
812,152.80 : 1,215,896.40 = 497,224.80 : x - Step 2: Convert to fraction form
812,152.80/1,215,896.40 = 497,224.80/x - Step 3: Cross multiply
812,152.80x = 1,215,896.40 × 497,224.80 - Step 4: Simplify right side
812,152.80x = 604,573,844,310.72 - Step 5: Solve for x
x = 604,573,844,310.72/812,152.80 - Step 6: Final answer
x = 744,408.99
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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.