Finding the Fourth Proportional to 813,525.84, 1,122,285.96 and 511,886.16
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Solution
The fourth proportional to 813,525.84, 1,122,285.96 and 511,886.16 is: 706,163.99
Step by Step Solution
- Step 1: Write the proportion equation
813,525.84 : 1,122,285.96 = 511,886.16 : x - Step 2: Convert to fraction form
813,525.84/1,122,285.96 = 511,886.16/x - Step 3: Cross multiply
813,525.84x = 1,122,285.96 × 511,886.16 - Step 4: Simplify right side
813,525.84x = 574,482,650,486.31 - Step 5: Solve for x
x = 574,482,650,486.31/813,525.84 - Step 6: Final answer
x = 706,163.99
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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.