Finding the Fourth Proportional to 922,251.74, 1,383,391.69 and 416,460.15
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Solution
The fourth proportional to 922,251.74, 1,383,391.69 and 416,460.15 is: 624,696.58
Step by Step Solution
- Step 1: Write the proportion equation
922,251.74 : 1,383,391.69 = 416,460.15 : x - Step 2: Convert to fraction form
922,251.74/1,383,391.69 = 416,460.15/x - Step 3: Cross multiply
922,251.74x = 1,383,391.69 × 416,460.15 - Step 4: Simplify right side
922,251.74x = 576,127,510,726.15 - Step 5: Solve for x
x = 576,127,510,726.15/922,251.74 - Step 6: Final answer
x = 624,696.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.