Finding the Fourth Proportional to 763,147.68, 1,144,721.52 and 264,511.68
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Solution
The fourth proportional to 763,147.68, 1,144,721.52 and 264,511.68 is: 396,767.52
Step by Step Solution
- Step 1: Write the proportion equation
763,147.68 : 1,144,721.52 = 264,511.68 : x - Step 2: Convert to fraction form
763,147.68/1,144,721.52 = 264,511.68/x - Step 3: Cross multiply
763,147.68x = 1,144,721.52 × 264,511.68 - Step 4: Simplify right side
763,147.68x = 302,792,212,387.35 - Step 5: Solve for x
x = 302,792,212,387.35/763,147.68 - Step 6: Final answer
x = 396,767.52
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1.5x scale
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.