Finding the Fourth Proportional to 828,322.12, 1,242,484.94 and 229,285
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Solution
The fourth proportional to 828,322.12, 1,242,484.94 and 229,285 is: 343,927.99
Step by Step Solution
- Step 1: Write the proportion equation
828,322.12 : 1,242,484.94 = 229,285 : x - Step 2: Convert to fraction form
828,322.12/1,242,484.94 = 229,285/x - Step 3: Cross multiply
828,322.12x = 1,242,484.94 × 229,285 - Step 4: Simplify right side
828,322.12x = 284,883,159,467.90 - Step 5: Solve for x
x = 284,883,159,467.90/828,322.12 - Step 6: Final answer
x = 343,927.99
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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.