Finding the Fourth Proportional to 563,220.12, 777,243.66 and 336,919.08
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Solution
The fourth proportional to 563,220.12, 777,243.66 and 336,919.08 is: 464,948.27
Step by Step Solution
- Step 1: Write the proportion equation
563,220.12 : 777,243.66 = 336,919.08 : x - Step 2: Convert to fraction form
563,220.12/777,243.66 = 336,919.08/x - Step 3: Cross multiply
563,220.12x = 777,243.66 × 336,919.08 - Step 4: Simplify right side
563,220.12x = 261,868,218,863.03 - Step 5: Solve for x
x = 261,868,218,863.03/563,220.12 - Step 6: Final answer
x = 464,948.27
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1.5x scale
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.