Finding the Fourth Proportional to 756,995.22, 1,135,448.28 and 283,640.94
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Solution
The fourth proportional to 756,995.22, 1,135,448.28 and 283,640.94 is: 425,444.72
Step by Step Solution
- Step 1: Write the proportion equation
756,995.22 : 1,135,448.28 = 283,640.94 : x - Step 2: Convert to fraction form
756,995.22/1,135,448.28 = 283,640.94/x - Step 3: Cross multiply
756,995.22x = 1,135,448.28 × 283,640.94 - Step 4: Simplify right side
756,995.22x = 322,059,617,460.58 - Step 5: Solve for x
x = 322,059,617,460.58/756,995.22 - Step 6: Final answer
x = 425,444.72
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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.