Finding the Fourth Proportional to 546,933.70, 820,400.55 and 473,205.70
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Solution
The fourth proportional to 546,933.70, 820,400.55 and 473,205.70 is: 709,808.55
Step by Step Solution
- Step 1: Write the proportion equation
546,933.70 : 820,400.55 = 473,205.70 : x - Step 2: Convert to fraction form
546,933.70/820,400.55 = 473,205.70/x - Step 3: Cross multiply
546,933.70x = 820,400.55 × 473,205.70 - Step 4: Simplify right side
546,933.70x = 388,218,216,543.14 - Step 5: Solve for x
x = 388,218,216,543.14/546,933.70 - Step 6: Final answer
x = 709,808.55
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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.