Finding the Fourth Proportional to 1,028,626.44, 1,542,944.79 and 421,746.24
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Solution
The fourth proportional to 1,028,626.44, 1,542,944.79 and 421,746.24 is: 632,621.46
Step by Step Solution
- Step 1: Write the proportion equation
1,028,626.44 : 1,542,944.79 = 421,746.24 : x - Step 2: Convert to fraction form
1,028,626.44/1,542,944.79 = 421,746.24/x - Step 3: Cross multiply
1,028,626.44x = 1,542,944.79 × 421,746.24 - Step 4: Simplify right side
1,028,626.44x = 650,731,157,924.05 - Step 5: Solve for x
x = 650,731,157,924.05/1,028,626.44 - Step 6: Final answer
x = 632,621.46
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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.