Finding the Fourth Proportional to 412,618.44, 618,973.92 and 370,237.96
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Solution
The fourth proportional to 412,618.44, 618,973.92 and 370,237.96 is: 555,398.45
Step by Step Solution
- Step 1: Write the proportion equation
412,618.44 : 618,973.92 = 370,237.96 : x - Step 2: Convert to fraction form
412,618.44/618,973.92 = 370,237.96/x - Step 3: Cross multiply
412,618.44x = 618,973.92 × 370,237.96 - Step 4: Simplify right side
412,618.44x = 229,167,641,434.00 - Step 5: Solve for x
x = 229,167,641,434.00/412,618.44 - Step 6: Final answer
x = 555,398.45
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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.