Finding the Fourth Proportional to 742,579.08, 1,024,723.67 and 456,043.81
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Solution
The fourth proportional to 742,579.08, 1,024,723.67 and 456,043.81 is: 629,318.68
Step by Step Solution
- Step 1: Write the proportion equation
742,579.08 : 1,024,723.67 = 456,043.81 : x - Step 2: Convert to fraction form
742,579.08/1,024,723.67 = 456,043.81/x - Step 3: Cross multiply
742,579.08x = 1,024,723.67 × 456,043.81 - Step 4: Simplify right side
742,579.08x = 467,318,886,663.98 - Step 5: Solve for x
x = 467,318,886,663.98/742,579.08 - Step 6: Final answer
x = 629,318.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.