Finding the Fourth Proportional to 756,941.41, 1,134,126.82 and 456,791.28
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Solution
The fourth proportional to 756,941.41, 1,134,126.82 and 456,791.28 is: 684,411.28
Step by Step Solution
- Step 1: Write the proportion equation
756,941.41 : 1,134,126.82 = 456,791.28 : x - Step 2: Convert to fraction form
756,941.41/1,134,126.82 = 456,791.28/x - Step 3: Cross multiply
756,941.41x = 1,134,126.82 × 456,791.28 - Step 4: Simplify right side
756,941.41x = 518,059,241,790.13 - Step 5: Solve for x
x = 518,059,241,790.13/756,941.41 - Step 6: Final answer
x = 684,411.28
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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.