Finding the Fourth Proportional to 862,892.04, 1,190,875.26 and 644,722.14
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Solution
The fourth proportional to 862,892.04, 1,190,875.26 and 644,722.14 is: 889,779.50
Step by Step Solution
- Step 1: Write the proportion equation
862,892.04 : 1,190,875.26 = 644,722.14 : x - Step 2: Convert to fraction form
862,892.04/1,190,875.26 = 644,722.14/x - Step 3: Cross multiply
862,892.04x = 1,190,875.26 × 644,722.14 - Step 4: Simplify right side
862,892.04x = 767,783,646,100.26 - Step 5: Solve for x
x = 767,783,646,100.26/862,892.04 - Step 6: Final answer
x = 889,779.50
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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.