Finding the Fourth Proportional to 883,451.09, 1,219,129.28 and 539,861.54
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Solution
The fourth proportional to 883,451.09, 1,219,129.28 and 539,861.54 is: 744,988.62
Step by Step Solution
- Step 1: Write the proportion equation
883,451.09 : 1,219,129.28 = 539,861.54 : x - Step 2: Convert to fraction form
883,451.09/1,219,129.28 = 539,861.54/x - Step 3: Cross multiply
883,451.09x = 1,219,129.28 × 539,861.54 - Step 4: Simplify right side
883,451.09x = 658,161,001,764.94 - Step 5: Solve for x
x = 658,161,001,764.94/883,451.09 - Step 6: Final answer
x = 744,988.62
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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.