Finding the Fourth Proportional to 687,277.44, 946,287.36 and 624,291.84
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Solution
The fourth proportional to 687,277.44, 946,287.36 and 624,291.84 is: 859,564.77
Step by Step Solution
- Step 1: Write the proportion equation
687,277.44 : 946,287.36 = 624,291.84 : x - Step 2: Convert to fraction form
687,277.44/946,287.36 = 624,291.84/x - Step 3: Cross multiply
687,277.44x = 946,287.36 × 624,291.84 - Step 4: Simplify right side
687,277.44x = 590,759,477,143.14 - Step 5: Solve for x
x = 590,759,477,143.14/687,277.44 - Step 6: Final answer
x = 859,564.77
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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.