Finding the Fourth Proportional to 828,874.58, 1,143,848.68 and 489,364.70
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Solution
The fourth proportional to 828,874.58, 1,143,848.68 and 489,364.70 is: 675,324.32
Step by Step Solution
- Step 1: Write the proportion equation
828,874.58 : 1,143,848.68 = 489,364.70 : x - Step 2: Convert to fraction form
828,874.58/1,143,848.68 = 489,364.70/x - Step 3: Cross multiply
828,874.58x = 1,143,848.68 × 489,364.70 - Step 4: Simplify right side
828,874.58x = 559,759,166,133.60 - Step 5: Solve for x
x = 559,759,166,133.60/828,874.58 - Step 6: Final answer
x = 675,324.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.