Finding the Fourth Proportional to 527,630.16, 728,165.34 and 298,107.84
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Solution
The fourth proportional to 527,630.16, 728,165.34 and 298,107.84 is: 411,409.00
Step by Step Solution
- Step 1: Write the proportion equation
527,630.16 : 728,165.34 = 298,107.84 : x - Step 2: Convert to fraction form
527,630.16/728,165.34 = 298,107.84/x - Step 3: Cross multiply
527,630.16x = 728,165.34 × 298,107.84 - Step 4: Simplify right side
527,630.16x = 217,071,796,670.27 - Step 5: Solve for x
x = 217,071,796,670.27/527,630.16 - Step 6: Final answer
x = 411,409.00
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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.