Finding the Fourth Proportional to 753,699.51, 1,130,769.18 and 304,190.82
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Solution
The fourth proportional to 753,699.51, 1,130,769.18 and 304,190.82 is: 456,374.99
Step by Step Solution
- Step 1: Write the proportion equation
753,699.51 : 1,130,769.18 = 304,190.82 : x - Step 2: Convert to fraction form
753,699.51/1,130,769.18 = 304,190.82/x - Step 3: Cross multiply
753,699.51x = 1,130,769.18 × 304,190.82 - Step 4: Simplify right side
753,699.51x = 343,969,604,094.93 - Step 5: Solve for x
x = 343,969,604,094.93/753,699.51 - Step 6: Final answer
x = 456,374.99
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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.