Finding the Fourth Proportional to 747,376, 1,121,053.47 and 347,793.28
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Solution
The fourth proportional to 747,376, 1,121,053.47 and 347,793.28 is: 521,685.02
Step by Step Solution
- Step 1: Write the proportion equation
747,376 : 1,121,053.47 = 347,793.28 : x - Step 2: Convert to fraction form
747,376/1,121,053.47 = 347,793.28/x - Step 3: Cross multiply
747,376x = 1,121,053.47 × 347,793.28 - Step 4: Simplify right side
747,376x = 389,894,863,386.68 - Step 5: Solve for x
x = 389,894,863,386.68/747,376 - Step 6: Final answer
x = 521,685.02
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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.