Finding the Fourth Proportional to 769,853.91, 1,154,192.20 and 466,181.98
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Solution
The fourth proportional to 769,853.91, 1,154,192.20 and 466,181.98 is: 698,916.50
Step by Step Solution
- Step 1: Write the proportion equation
769,853.91 : 1,154,192.20 = 466,181.98 : x - Step 2: Convert to fraction form
769,853.91/1,154,192.20 = 466,181.98/x - Step 3: Cross multiply
769,853.91x = 1,154,192.20 × 466,181.98 - Step 4: Simplify right side
769,853.91x = 538,063,596,994.69 - Step 5: Solve for x
x = 538,063,596,994.69/769,853.91 - Step 6: Final answer
x = 698,916.50
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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.