Finding the Fourth Proportional to 687,357.44, 946,397.76 and 624,371.84
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Solution
The fourth proportional to 687,357.44, 946,397.76 and 624,371.84 is: 859,675.15
Step by Step Solution
- Step 1: Write the proportion equation
687,357.44 : 946,397.76 = 624,371.84 : x - Step 2: Convert to fraction form
687,357.44/946,397.76 = 624,371.84/x - Step 3: Cross multiply
687,357.44x = 946,397.76 × 624,371.84 - Step 4: Simplify right side
687,357.44x = 590,904,110,783.08 - Step 5: Solve for x
x = 590,904,110,783.08/687,357.44 - Step 6: Final answer
x = 859,675.15
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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.