Finding the Fourth Proportional to 519,052.80, 778,579.20 and 341,905.80
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Solution
The fourth proportional to 519,052.80, 778,579.20 and 341,905.80 is: 512,858.70
Step by Step Solution
- Step 1: Write the proportion equation
519,052.80 : 778,579.20 = 341,905.80 : x - Step 2: Convert to fraction form
519,052.80/778,579.20 = 341,905.80/x - Step 3: Cross multiply
519,052.80x = 778,579.20 × 341,905.80 - Step 4: Simplify right side
519,052.80x = 266,200,744,239.36 - Step 5: Solve for x
x = 266,200,744,239.36/519,052.80 - Step 6: Final answer
x = 512,858.70
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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.