Finding the Fourth Proportional to 828,661.84, 1,243,648.80 and 323,464.80
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Solution
The fourth proportional to 828,661.84, 1,243,648.80 and 323,464.80 is: 485,453.28
Step by Step Solution
- Step 1: Write the proportion equation
828,661.84 : 1,243,648.80 = 323,464.80 : x - Step 2: Convert to fraction form
828,661.84/1,243,648.80 = 323,464.80/x - Step 3: Cross multiply
828,661.84x = 1,243,648.80 × 323,464.80 - Step 4: Simplify right side
828,661.84x = 402,276,610,362.24 - Step 5: Solve for x
x = 402,276,610,362.24/828,661.84 - Step 6: Final answer
x = 485,453.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.