Finding the Fourth Proportional to 701,605.92, 968,141.52 and 415,138.08
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Solution
The fourth proportional to 701,605.92, 968,141.52 and 415,138.08 is: 572,846.38
Step by Step Solution
- Step 1: Write the proportion equation
701,605.92 : 968,141.52 = 415,138.08 : x - Step 2: Convert to fraction form
701,605.92/968,141.52 = 415,138.08/x - Step 3: Cross multiply
701,605.92x = 968,141.52 × 415,138.08 - Step 4: Simplify right side
701,605.92x = 401,912,411,781.08 - Step 5: Solve for x
x = 401,912,411,781.08/701,605.92 - Step 6: Final answer
x = 572,846.38
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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.