Finding the Fourth Proportional to 828,665.06, 1,243,024.29 and 229,631.99
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Solution
The fourth proportional to 828,665.06, 1,243,024.29 and 229,631.99 is: 344,455.38
Step by Step Solution
- Step 1: Write the proportion equation
828,665.06 : 1,243,024.29 = 229,631.99 : x - Step 2: Convert to fraction form
828,665.06/1,243,024.29 = 229,631.99/x - Step 3: Cross multiply
828,665.06x = 1,243,024.29 × 229,631.99 - Step 4: Simplify right side
828,665.06x = 285,438,135,115.92 - Step 5: Solve for x
x = 285,438,135,115.92/828,665.06 - Step 6: Final answer
x = 344,455.38
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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.