Finding the Fourth Proportional to 761,807.29, 1,141,905.28 and 281,726.62
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Solution
The fourth proportional to 761,807.29, 1,141,905.28 and 281,726.62 is: 422,291.99
Step by Step Solution
- Step 1: Write the proportion equation
761,807.29 : 1,141,905.28 = 281,726.62 : x - Step 2: Convert to fraction form
761,807.29/1,141,905.28 = 281,726.62/x - Step 3: Cross multiply
761,807.29x = 1,141,905.28 × 281,726.62 - Step 4: Simplify right side
761,807.29x = 321,705,113,485.92 - Step 5: Solve for x
x = 321,705,113,485.92/761,807.29 - Step 6: Final answer
x = 422,291.99
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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.