Finding the Fourth Proportional to 681,497.40, 1,022,246.10 and 630,175.80
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Solution
The fourth proportional to 681,497.40, 1,022,246.10 and 630,175.80 is: 945,263.70
Step by Step Solution
- Step 1: Write the proportion equation
681,497.40 : 1,022,246.10 = 630,175.80 : x - Step 2: Convert to fraction form
681,497.40/1,022,246.10 = 630,175.80/x - Step 3: Cross multiply
681,497.40x = 1,022,246.10 × 630,175.80 - Step 4: Simplify right side
681,497.40x = 644,194,753,864.38 - Step 5: Solve for x
x = 644,194,753,864.38/681,497.40 - Step 6: Final answer
x = 945,263.70
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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.