Finding the Fourth Proportional to 511,821.44, 706,454.16 and 297,030.68
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Solution
The fourth proportional to 511,821.44, 706,454.16 and 297,030.68 is: 409,983.92
Step by Step Solution
- Step 1: Write the proportion equation
511,821.44 : 706,454.16 = 297,030.68 : x - Step 2: Convert to fraction form
511,821.44/706,454.16 = 297,030.68/x - Step 3: Cross multiply
511,821.44x = 706,454.16 × 297,030.68 - Step 4: Simplify right side
511,821.44x = 209,838,559,533.63 - Step 5: Solve for x
x = 209,838,559,533.63/511,821.44 - Step 6: Final answer
x = 409,983.92
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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.