Finding the Fourth Proportional to 440,676.74, 608,319.95 and 297,630.54
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Solution
The fourth proportional to 440,676.74, 608,319.95 and 297,630.54 is: 410,855.80
Step by Step Solution
- Step 1: Write the proportion equation
440,676.74 : 608,319.95 = 297,630.54 : x - Step 2: Convert to fraction form
440,676.74/608,319.95 = 297,630.54/x - Step 3: Cross multiply
440,676.74x = 608,319.95 × 297,630.54 - Step 4: Simplify right side
440,676.74x = 181,054,593,723.12 - Step 5: Solve for x
x = 181,054,593,723.12/440,676.74 - Step 6: Final answer
x = 410,855.80
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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.