Finding the Fourth Proportional to 761,580.09, 1,142,382.29 and 288,138.33
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Solution
The fourth proportional to 761,580.09, 1,142,382.29 and 288,138.33 is: 432,212.09
Step by Step Solution
- Step 1: Write the proportion equation
761,580.09 : 1,142,382.29 = 288,138.33 : x - Step 2: Convert to fraction form
761,580.09/1,142,382.29 = 288,138.33/x - Step 3: Cross multiply
761,580.09x = 1,142,382.29 × 288,138.33 - Step 4: Simplify right side
761,580.09x = 329,164,123,821.48 - Step 5: Solve for x
x = 329,164,123,821.48/761,580.09 - Step 6: Final answer
x = 432,212.09
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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.