Finding the Fourth Proportional to 762,675.08, 1,052,491.74 and 423,142.52
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Solution
The fourth proportional to 762,675.08, 1,052,491.74 and 423,142.52 is: 583,936.75
Step by Step Solution
- Step 1: Write the proportion equation
762,675.08 : 1,052,491.74 = 423,142.52 : x - Step 2: Convert to fraction form
762,675.08/1,052,491.74 = 423,142.52/x - Step 3: Cross multiply
762,675.08x = 1,052,491.74 × 423,142.52 - Step 4: Simplify right side
762,675.08x = 445,354,007,142.79 - Step 5: Solve for x
x = 445,354,007,142.79/762,675.08 - Step 6: Final answer
x = 583,936.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.