Finding the Fourth Proportional to 802,088, 1,106,881.44 and 479,811.68
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Solution
The fourth proportional to 802,088, 1,106,881.44 and 479,811.68 is: 662,140.12
Step by Step Solution
- Step 1: Write the proportion equation
802,088 : 1,106,881.44 = 479,811.68 : x - Step 2: Convert to fraction form
802,088/1,106,881.44 = 479,811.68/x - Step 3: Cross multiply
802,088x = 1,106,881.44 × 479,811.68 - Step 4: Simplify right side
802,088x = 531,094,643,287.22 - Step 5: Solve for x
x = 531,094,643,287.22/802,088 - Step 6: Final answer
x = 662,140.12
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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.