Finding the Fourth Proportional to 730,469.35, 1,008,028.35 and 408,182.09
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Solution
The fourth proportional to 730,469.35, 1,008,028.35 and 408,182.09 is: 563,280.47
Step by Step Solution
- Step 1: Write the proportion equation
730,469.35 : 1,008,028.35 = 408,182.09 : x - Step 2: Convert to fraction form
730,469.35/1,008,028.35 = 408,182.09/x - Step 3: Cross multiply
730,469.35x = 1,008,028.35 × 408,182.09 - Step 4: Simplify right side
730,469.35x = 411,459,118,682.25 - Step 5: Solve for x
x = 411,459,118,682.25/730,469.35 - Step 6: Final answer
x = 563,280.47
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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.