Finding the Fourth Proportional to 624,879.16, 935,717.74 and 432,487.08
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Solution
The fourth proportional to 624,879.16, 935,717.74 and 432,487.08 is: 647,622.55
Step by Step Solution
- Step 1: Write the proportion equation
624,879.16 : 935,717.74 = 432,487.08 : x - Step 2: Convert to fraction form
624,879.16/935,717.74 = 432,487.08/x - Step 3: Cross multiply
624,879.16x = 935,717.74 × 432,487.08 - Step 4: Simplify right side
624,879.16x = 404,685,831,995.58 - Step 5: Solve for x
x = 404,685,831,995.58/624,879.16 - Step 6: Final answer
x = 647,622.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.