Finding the Fourth Proportional to 921,560.68, 1,382,133.66 and 330,584.68
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Solution
The fourth proportional to 921,560.68, 1,382,133.66 and 330,584.68 is: 495,802.64
Step by Step Solution
- Step 1: Write the proportion equation
921,560.68 : 1,382,133.66 = 330,584.68 : x - Step 2: Convert to fraction form
921,560.68/1,382,133.66 = 330,584.68/x - Step 3: Cross multiply
921,560.68x = 1,382,133.66 × 330,584.68 - Step 4: Simplify right side
921,560.68x = 456,912,213,708.33 - Step 5: Solve for x
x = 456,912,213,708.33/921,560.68 - Step 6: Final answer
x = 495,802.64
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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.