Finding the Fourth Proportional to 782,486.04, 1,174,165.17 and 422,649.63
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Solution
The fourth proportional to 782,486.04, 1,174,165.17 and 422,649.63 is: 634,210.00
Step by Step Solution
- Step 1: Write the proportion equation
782,486.04 : 1,174,165.17 = 422,649.63 : x - Step 2: Convert to fraction form
782,486.04/1,174,165.17 = 422,649.63/x - Step 3: Cross multiply
782,486.04x = 1,174,165.17 × 422,649.63 - Step 4: Simplify right side
782,486.04x = 496,260,466,675.31 - Step 5: Solve for x
x = 496,260,466,675.31/782,486.04 - Step 6: Final answer
x = 634,210.00
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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.