Finding the Fourth Proportional to 647,471.48, 893,573.80 and 483,843.84
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Solution
The fourth proportional to 647,471.48, 893,573.80 and 483,843.84 is: 667,751.70
Step by Step Solution
- Step 1: Write the proportion equation
647,471.48 : 893,573.80 = 483,843.84 : x - Step 2: Convert to fraction form
647,471.48/893,573.80 = 483,843.84/x - Step 3: Cross multiply
647,471.48x = 893,573.80 × 483,843.84 - Step 4: Simplify right side
647,471.48x = 432,350,178,971.31 - Step 5: Solve for x
x = 432,350,178,971.31/647,471.48 - Step 6: Final answer
x = 667,751.70
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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.