Finding the Fourth Proportional to 546,737.80, 820,106.70 and 406,769.80
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Solution
The fourth proportional to 546,737.80, 820,106.70 and 406,769.80 is: 610,154.70
Step by Step Solution
- Step 1: Write the proportion equation
546,737.80 : 820,106.70 = 406,769.80 : x - Step 2: Convert to fraction form
546,737.80/820,106.70 = 406,769.80/x - Step 3: Cross multiply
546,737.80x = 820,106.70 × 406,769.80 - Step 4: Simplify right side
546,737.80x = 333,594,638,337.66 - Step 5: Solve for x
x = 333,594,638,337.66/546,737.80 - Step 6: Final answer
x = 610,154.70
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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.