Finding the Fourth Proportional to 899,509.10, 1,348,323.21 and 425,629.94
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Solution
The fourth proportional to 899,509.10, 1,348,323.21 and 425,629.94 is: 637,999.91
Step by Step Solution
- Step 1: Write the proportion equation
899,509.10 : 1,348,323.21 = 425,629.94 : x - Step 2: Convert to fraction form
899,509.10/1,348,323.21 = 425,629.94/x - Step 3: Cross multiply
899,509.10x = 1,348,323.21 × 425,629.94 - Step 4: Simplify right side
899,509.10x = 573,886,720,231.29 - Step 5: Solve for x
x = 573,886,720,231.29/899,509.10 - Step 6: Final answer
x = 637,999.91
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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.