Finding the Fourth Proportional to 590,454.63, 814,938.66 and 369,794.21
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Solution
The fourth proportional to 590,454.63, 814,938.66 and 369,794.21 is: 510,385.69
Step by Step Solution
- Step 1: Write the proportion equation
590,454.63 : 814,938.66 = 369,794.21 : x - Step 2: Convert to fraction form
590,454.63/814,938.66 = 369,794.21/x - Step 3: Cross multiply
590,454.63x = 814,938.66 × 369,794.21 - Step 4: Simplify right side
590,454.63x = 301,359,593,898.47 - Step 5: Solve for x
x = 301,359,593,898.47/590,454.63 - Step 6: Final answer
x = 510,385.69
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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.