Finding the Fourth Proportional to 513,010.60, 707,932.50 and 283,555.96
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Solution
The fourth proportional to 513,010.60, 707,932.50 and 283,555.96 is: 391,294.99
Step by Step Solution
- Step 1: Write the proportion equation
513,010.60 : 707,932.50 = 283,555.96 : x - Step 2: Convert to fraction form
513,010.60/707,932.50 = 283,555.96/x - Step 3: Cross multiply
513,010.60x = 707,932.50 × 283,555.96 - Step 4: Simplify right side
513,010.60x = 200,738,479,652.70 - Step 5: Solve for x
x = 200,738,479,652.70/513,010.60 - Step 6: Final answer
x = 391,294.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.