Finding the Fourth Proportional to 519,725.70, 778,932.45 and 252,911.70
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Solution
The fourth proportional to 519,725.70, 778,932.45 and 252,911.70 is: 379,048.28
Step by Step Solution
- Step 1: Write the proportion equation
519,725.70 : 778,932.45 = 252,911.70 : x - Step 2: Convert to fraction form
519,725.70/778,932.45 = 252,911.70/x - Step 3: Cross multiply
519,725.70x = 778,932.45 × 252,911.70 - Step 4: Simplify right side
519,725.70x = 197,001,130,114.67 - Step 5: Solve for x
x = 197,001,130,114.67/519,725.70 - Step 6: Final answer
x = 379,048.28
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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.