Finding the Fourth Proportional to 828,359.91, 1,242,560.99 and 229,326.23
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Solution
The fourth proportional to 828,359.91, 1,242,560.99 and 229,326.23 is: 343,995.20
Step by Step Solution
- Step 1: Write the proportion equation
828,359.91 : 1,242,560.99 = 229,326.23 : x - Step 2: Convert to fraction form
828,359.91/1,242,560.99 = 229,326.23/x - Step 3: Cross multiply
828,359.91x = 1,242,560.99 × 229,326.23 - Step 4: Simplify right side
828,359.91x = 284,951,831,061.49 - Step 5: Solve for x
x = 284,951,831,061.49/828,359.91 - Step 6: Final answer
x = 343,995.20
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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.