Finding the Fourth Proportional to 961,757.61, 1,327,220.64 and 526,167.09
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Solution
The fourth proportional to 961,757.61, 1,327,220.64 and 526,167.09 is: 726,107.92
Step by Step Solution
- Step 1: Write the proportion equation
961,757.61 : 1,327,220.64 = 526,167.09 : x - Step 2: Convert to fraction form
961,757.61/1,327,220.64 = 526,167.09/x - Step 3: Cross multiply
961,757.61x = 1,327,220.64 × 526,167.09 - Step 4: Simplify right side
961,757.61x = 698,339,821,936.74 - Step 5: Solve for x
x = 698,339,821,936.74/961,757.61 - Step 6: Final answer
x = 726,107.92
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1.5x scale
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.