Finding the Fourth Proportional to 844,998.30, 1,267,497.45 and 424,122.30
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Solution
The fourth proportional to 844,998.30, 1,267,497.45 and 424,122.30 is: 636,183.45
Step by Step Solution
- Step 1: Write the proportion equation
844,998.30 : 1,267,497.45 = 424,122.30 : x - Step 2: Convert to fraction form
844,998.30/1,267,497.45 = 424,122.30/x - Step 3: Cross multiply
844,998.30x = 1,267,497.45 × 424,122.30 - Step 4: Simplify right side
844,998.30x = 537,573,933,738.14 - Step 5: Solve for x
x = 537,573,933,738.14/844,998.30 - Step 6: Final answer
x = 636,183.45
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Double scale
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Similar ratio
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1.5x scale
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.