Finding the Fourth Proportional to 750,199.68, 1,125,299.88 and 329,479.20
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Solution
The fourth proportional to 750,199.68, 1,125,299.88 and 329,479.20 is: 494,218.96
Step by Step Solution
- Step 1: Write the proportion equation
750,199.68 : 1,125,299.88 = 329,479.20 : x - Step 2: Convert to fraction form
750,199.68/1,125,299.88 = 329,479.20/x - Step 3: Cross multiply
750,199.68x = 1,125,299.88 × 329,479.20 - Step 4: Simplify right side
750,199.68x = 370,762,904,222.50 - Step 5: Solve for x
x = 370,762,904,222.50/750,199.68 - Step 6: Final answer
x = 494,218.96
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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.