Finding the Fourth Proportional to 1,306,464.29, 1,958,933.71 and 506,811.43
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Solution
The fourth proportional to 1,306,464.29, 1,958,933.71 and 506,811.43 is: 759,921.26
Step by Step Solution
- Step 1: Write the proportion equation
1,306,464.29 : 1,958,933.71 = 506,811.43 : x - Step 2: Convert to fraction form
1,306,464.29/1,958,933.71 = 506,811.43/x - Step 3: Cross multiply
1,306,464.29x = 1,958,933.71 × 506,811.43 - Step 4: Simplify right side
1,306,464.29x = 992,809,994,840.31 - Step 5: Solve for x
x = 992,809,994,840.31/1,306,464.29 - Step 6: Final answer
x = 759,921.26
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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.