Finding the Fourth Proportional to 708,453.04, 1,062,455.94 and 281,803.36
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Solution
The fourth proportional to 708,453.04, 1,062,455.94 and 281,803.36 is: 422,616.09
Step by Step Solution
- Step 1: Write the proportion equation
708,453.04 : 1,062,455.94 = 281,803.36 : x - Step 2: Convert to fraction form
708,453.04/1,062,455.94 = 281,803.36/x - Step 3: Cross multiply
708,453.04x = 1,062,455.94 × 281,803.36 - Step 4: Simplify right side
708,453.04x = 299,403,653,743.96 - Step 5: Solve for x
x = 299,403,653,743.96/708,453.04 - Step 6: Final answer
x = 422,616.09
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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.