Finding the Fourth Proportional to 698,634.56, 1,048,155.96 and 225,309.44
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Solution
The fourth proportional to 698,634.56, 1,048,155.96 and 225,309.44 is: 338,029.99
Step by Step Solution
- Step 1: Write the proportion equation
698,634.56 : 1,048,155.96 = 225,309.44 : x - Step 2: Convert to fraction form
698,634.56/1,048,155.96 = 225,309.44/x - Step 3: Cross multiply
698,634.56x = 1,048,155.96 × 225,309.44 - Step 4: Simplify right side
698,634.56x = 236,159,432,380.26 - Step 5: Solve for x
x = 236,159,432,380.26/698,634.56 - Step 6: Final answer
x = 338,029.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.