Finding the Fourth Proportional to 791,320.05, 1,091,623.51 and 519,350.19
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Solution
The fourth proportional to 791,320.05, 1,091,623.51 and 519,350.19 is: 716,441.95
Step by Step Solution
- Step 1: Write the proportion equation
791,320.05 : 1,091,623.51 = 519,350.19 : x - Step 2: Convert to fraction form
791,320.05/1,091,623.51 = 519,350.19/x - Step 3: Cross multiply
791,320.05x = 1,091,623.51 × 519,350.19 - Step 4: Simplify right side
791,320.05x = 566,934,877,326.97 - Step 5: Solve for x
x = 566,934,877,326.97/791,320.05 - Step 6: Final answer
x = 716,441.95
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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.