Finding the Fourth Proportional to 808,313.68, 1,212,879.30 and 538,625.44
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Solution
The fourth proportional to 808,313.68, 1,212,879.30 and 538,625.44 is: 808,210.55
Step by Step Solution
- Step 1: Write the proportion equation
808,313.68 : 1,212,879.30 = 538,625.44 : x - Step 2: Convert to fraction form
808,313.68/1,212,879.30 = 538,625.44/x - Step 3: Cross multiply
808,313.68x = 1,212,879.30 × 538,625.44 - Step 4: Simplify right side
808,313.68x = 653,287,646,629.39 - Step 5: Solve for x
x = 653,287,646,629.39/808,313.68 - Step 6: Final answer
x = 808,210.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.