Finding the Fourth Proportional to 546,769.20, 820,153.80 and 511,339.80
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Solution
The fourth proportional to 546,769.20, 820,153.80 and 511,339.80 is: 767,009.70
Step by Step Solution
- Step 1: Write the proportion equation
546,769.20 : 820,153.80 = 511,339.80 : x - Step 2: Convert to fraction form
546,769.20/820,153.80 = 511,339.80/x - Step 3: Cross multiply
546,769.20x = 820,153.80 × 511,339.80 - Step 4: Simplify right side
546,769.20x = 419,377,280,061.24 - Step 5: Solve for x
x = 419,377,280,061.24/546,769.20 - Step 6: Final answer
x = 767,009.70
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1.5x scale
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.