Finding the Fourth Proportional to 750,645.92, 1,035,634.02 and 428,124.08
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Solution
The fourth proportional to 750,645.92, 1,035,634.02 and 428,124.08 is: 590,664.45
Step by Step Solution
- Step 1: Write the proportion equation
750,645.92 : 1,035,634.02 = 428,124.08 : x - Step 2: Convert to fraction form
750,645.92/1,035,634.02 = 428,124.08/x - Step 3: Cross multiply
750,645.92x = 1,035,634.02 × 428,124.08 - Step 4: Simplify right side
750,645.92x = 443,379,862,029.20 - Step 5: Solve for x
x = 443,379,862,029.20/750,645.92 - Step 6: Final answer
x = 590,664.45
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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.