Finding the Fourth Proportional to 511,813.44, 706,443.12 and 297,022.68
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Solution
The fourth proportional to 511,813.44, 706,443.12 and 297,022.68 is: 409,972.88
Step by Step Solution
- Step 1: Write the proportion equation
511,813.44 : 706,443.12 = 297,022.68 : x - Step 2: Convert to fraction form
511,813.44/706,443.12 = 297,022.68/x - Step 3: Cross multiply
511,813.44x = 706,443.12 × 297,022.68 - Step 4: Simplify right side
511,813.44x = 209,829,628,769.96 - Step 5: Solve for x
x = 209,829,628,769.96/511,813.44 - Step 6: Final answer
x = 409,972.88
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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.