Finding the Fourth Proportional to 823,027.28, 1,135,769.28 and 455,505.14
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Solution
The fourth proportional to 823,027.28, 1,135,769.28 and 455,505.14 is: 628,592.46
Step by Step Solution
- Step 1: Write the proportion equation
823,027.28 : 1,135,769.28 = 455,505.14 : x - Step 2: Convert to fraction form
823,027.28/1,135,769.28 = 455,505.14/x - Step 3: Cross multiply
823,027.28x = 1,135,769.28 × 455,505.14 - Step 4: Simplify right side
823,027.28x = 517,348,744,894.10 - Step 5: Solve for x
x = 517,348,744,894.10/823,027.28 - Step 6: Final answer
x = 628,592.46
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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.