Finding the Fourth Proportional to 551,479.80, 827,219.70 and 440,887.80
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Solution
The fourth proportional to 551,479.80, 827,219.70 and 440,887.80 is: 661,331.70
Step by Step Solution
- Step 1: Write the proportion equation
551,479.80 : 827,219.70 = 440,887.80 : x - Step 2: Convert to fraction form
551,479.80/827,219.70 = 440,887.80/x - Step 3: Cross multiply
551,479.80x = 827,219.70 × 440,887.80 - Step 4: Simplify right side
551,479.80x = 364,711,073,649.66 - Step 5: Solve for x
x = 364,711,073,649.66/551,479.80 - Step 6: Final answer
x = 661,331.70
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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.