Finding the Fourth Proportional to 789,869.58, 1,184,927.21 and 257,266.63
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Solution
The fourth proportional to 789,869.58, 1,184,927.21 and 257,266.63 is: 385,939.95
Step by Step Solution
- Step 1: Write the proportion equation
789,869.58 : 1,184,927.21 = 257,266.63 : x - Step 2: Convert to fraction form
789,869.58/1,184,927.21 = 257,266.63/x - Step 3: Cross multiply
789,869.58x = 1,184,927.21 × 257,266.63 - Step 4: Simplify right side
789,869.58x = 304,842,230,112.00 - Step 5: Solve for x
x = 304,842,230,112.00/789,869.58 - Step 6: Final answer
x = 385,939.95
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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.