Finding the Fourth Proportional to 802,115, 1,106,918.70 and 479,838.68
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Solution
The fourth proportional to 802,115, 1,106,918.70 and 479,838.68 is: 662,177.38
Step by Step Solution
- Step 1: Write the proportion equation
802,115 : 1,106,918.70 = 479,838.68 : x - Step 2: Convert to fraction form
802,115/1,106,918.70 = 479,838.68/x - Step 3: Cross multiply
802,115x = 1,106,918.70 × 479,838.68 - Step 4: Simplify right side
802,115x = 531,142,407,875.32 - Step 5: Solve for x
x = 531,142,407,875.32/802,115 - Step 6: Final answer
x = 662,177.38
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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.