Finding the Fourth Proportional to 823,473.14, 1,235,309.34 and 290,885.18
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Solution
The fourth proportional to 823,473.14, 1,235,309.34 and 290,885.18 is: 436,362.96
Step by Step Solution
- Step 1: Write the proportion equation
823,473.14 : 1,235,309.34 = 290,885.18 : x - Step 2: Convert to fraction form
823,473.14/1,235,309.34 = 290,885.18/x - Step 3: Cross multiply
823,473.14x = 1,235,309.34 × 290,885.18 - Step 4: Simplify right side
823,473.14x = 359,333,179,721.58 - Step 5: Solve for x
x = 359,333,179,721.58/823,473.14 - Step 6: Final answer
x = 436,362.96
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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.