Finding the Fourth Proportional to 954,828.29, 1,317,636.74 and 525,108.38
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Solution
The fourth proportional to 954,828.29, 1,317,636.74 and 525,108.38 is: 724,635.09
Step by Step Solution
- Step 1: Write the proportion equation
954,828.29 : 1,317,636.74 = 525,108.38 : x - Step 2: Convert to fraction form
954,828.29/1,317,636.74 = 525,108.38/x - Step 3: Cross multiply
954,828.29x = 1,317,636.74 × 525,108.38 - Step 4: Simplify right side
954,828.29x = 691,902,088,694.47 - Step 5: Solve for x
x = 691,902,088,694.47/954,828.29 - Step 6: Final answer
x = 724,635.09
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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.