Finding the Fourth Proportional to 865,370.32, 1,194,210.97 and 483,397.09
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Solution
The fourth proportional to 865,370.32, 1,194,210.97 and 483,397.09 is: 667,087.94
Step by Step Solution
- Step 1: Write the proportion equation
865,370.32 : 1,194,210.97 = 483,397.09 : x - Step 2: Convert to fraction form
865,370.32/1,194,210.97 = 483,397.09/x - Step 3: Cross multiply
865,370.32x = 1,194,210.97 × 483,397.09 - Step 4: Simplify right side
865,370.32x = 577,278,107,744.08 - Step 5: Solve for x
x = 577,278,107,744.08/865,370.32 - Step 6: Final answer
x = 667,087.94
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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.