Finding the Fourth Proportional to 856,402.99, 1,181,961.96 and 493,755.87
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Solution
The fourth proportional to 856,402.99, 1,181,961.96 and 493,755.87 is: 681,455.65
Step by Step Solution
- Step 1: Write the proportion equation
856,402.99 : 1,181,961.96 = 493,755.87 : x - Step 2: Convert to fraction form
856,402.99/1,181,961.96 = 493,755.87/x - Step 3: Cross multiply
856,402.99x = 1,181,961.96 × 493,755.87 - Step 4: Simplify right side
856,402.99x = 583,600,655,866.71 - Step 5: Solve for x
x = 583,600,655,866.71/856,402.99 - Step 6: Final answer
x = 681,455.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.