Finding the Fourth Proportional to 667,497.80, 1,001,246.70 and 489,038.60
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Solution
The fourth proportional to 667,497.80, 1,001,246.70 and 489,038.60 is: 733,557.90
Step by Step Solution
- Step 1: Write the proportion equation
667,497.80 : 1,001,246.70 = 489,038.60 : x - Step 2: Convert to fraction form
667,497.80/1,001,246.70 = 489,038.60/x - Step 3: Cross multiply
667,497.80x = 1,001,246.70 × 489,038.60 - Step 4: Simplify right side
667,497.80x = 489,648,284,422.62 - Step 5: Solve for x
x = 489,648,284,422.62/667,497.80 - Step 6: Final answer
x = 733,557.90
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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.