Finding the Fourth Proportional to 456,841.98, 685,260.81 and 304,717.50
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Solution
The fourth proportional to 456,841.98, 685,260.81 and 304,717.50 is: 457,074.81
Step by Step Solution
- Step 1: Write the proportion equation
456,841.98 : 685,260.81 = 304,717.50 : x - Step 2: Convert to fraction form
456,841.98/685,260.81 = 304,717.50/x - Step 3: Cross multiply
456,841.98x = 685,260.81 × 304,717.50 - Step 4: Simplify right side
456,841.98x = 208,810,960,871.18 - Step 5: Solve for x
x = 208,810,960,871.18/456,841.98 - Step 6: Final answer
x = 457,074.81
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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.