Finding the Fourth Proportional to 634,964.27, 876,248.28 and 348,489.14
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Solution
The fourth proportional to 634,964.27, 876,248.28 and 348,489.14 is: 480,913.69
Step by Step Solution
- Step 1: Write the proportion equation
634,964.27 : 876,248.28 = 348,489.14 : x - Step 2: Convert to fraction form
634,964.27/876,248.28 = 348,489.14/x - Step 3: Cross multiply
634,964.27x = 876,248.28 × 348,489.14 - Step 4: Simplify right side
634,964.27x = 305,363,005,142.44 - Step 5: Solve for x
x = 305,363,005,142.44/634,964.27 - Step 6: Final answer
x = 480,913.69
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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.