Finding the Fourth Proportional to 939,276.92, 1,297,122.88 and 649,630.64
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Solution
The fourth proportional to 939,276.92, 1,297,122.88 and 649,630.64 is: 897,127.09
Step by Step Solution
- Step 1: Write the proportion equation
939,276.92 : 1,297,122.88 = 649,630.64 : x - Step 2: Convert to fraction form
939,276.92/1,297,122.88 = 649,630.64/x - Step 3: Cross multiply
939,276.92x = 1,297,122.88 × 649,630.64 - Step 4: Simplify right side
939,276.92x = 842,650,766,693.04 - Step 5: Solve for x
x = 842,650,766,693.04/939,276.92 - Step 6: Final answer
x = 897,127.09
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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.