Finding the Fourth Proportional to 807,504.34, 1,211,261.09 and 208,424.54
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Solution
The fourth proportional to 807,504.34, 1,211,261.09 and 208,424.54 is: 312,637.99
Step by Step Solution
- Step 1: Write the proportion equation
807,504.34 : 1,211,261.09 = 208,424.54 : x - Step 2: Convert to fraction form
807,504.34/1,211,261.09 = 208,424.54/x - Step 3: Cross multiply
807,504.34x = 1,211,261.09 × 208,424.54 - Step 4: Simplify right side
807,504.34x = 252,456,535,503.15 - Step 5: Solve for x
x = 252,456,535,503.15/807,504.34 - Step 6: Final answer
x = 312,637.99
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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.