Finding the Fourth Proportional to 754,816.19, 1,132,390.61 and 328,418.96
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Solution
The fourth proportional to 754,816.19, 1,132,390.61 and 328,418.96 is: 492,700.81
Step by Step Solution
- Step 1: Write the proportion equation
754,816.19 : 1,132,390.61 = 328,418.96 : x - Step 2: Convert to fraction form
754,816.19/1,132,390.61 = 328,418.96/x - Step 3: Cross multiply
754,816.19x = 1,132,390.61 × 328,418.96 - Step 4: Simplify right side
754,816.19x = 371,898,546,449.97 - Step 5: Solve for x
x = 371,898,546,449.97/754,816.19 - Step 6: Final answer
x = 492,700.81
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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.