Finding the Fourth Proportional to 648,292.68, 894,644.49 and 361,812.69
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Solution
The fourth proportional to 648,292.68, 894,644.49 and 361,812.69 is: 499,301.84
Step by Step Solution
- Step 1: Write the proportion equation
648,292.68 : 894,644.49 = 361,812.69 : x - Step 2: Convert to fraction form
648,292.68/894,644.49 = 361,812.69/x - Step 3: Cross multiply
648,292.68x = 894,644.49 × 361,812.69 - Step 4: Simplify right side
648,292.68x = 323,693,730,877.38 - Step 5: Solve for x
x = 323,693,730,877.38/648,292.68 - Step 6: Final answer
x = 499,301.84
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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.