Finding the Fourth Proportional to 413,251.20, 577,370.70 and 413,251.20
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Solution
The fourth proportional to 413,251.20, 577,370.70 and 413,251.20 is: 577,370.70
Step by Step Solution
- Step 1: Write the proportion equation
413,251.20 : 577,370.70 = 413,251.20 : x - Step 2: Convert to fraction form
413,251.20/577,370.70 = 413,251.20/x - Step 3: Cross multiply
413,251.20x = 577,370.70 × 413,251.20 - Step 4: Simplify right side
413,251.20x = 238,599,134,619.84 - Step 5: Solve for x
x = 238,599,134,619.84/413,251.20 - Step 6: Final answer
x = 577,370.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.