Finding the Fourth Proportional to 901,660.96, 1,350,344.76 and 521,780.92
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Solution
The fourth proportional to 901,660.96, 1,350,344.76 and 521,780.92 is: 781,429.12
Step by Step Solution
- Step 1: Write the proportion equation
901,660.96 : 1,350,344.76 = 521,780.92 : x - Step 2: Convert to fraction form
901,660.96/1,350,344.76 = 521,780.92/x - Step 3: Cross multiply
901,660.96x = 1,350,344.76 × 521,780.92 - Step 4: Simplify right side
901,660.96x = 704,584,131,189.98 - Step 5: Solve for x
x = 704,584,131,189.98/901,660.96 - Step 6: Final answer
x = 781,429.12
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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.