Finding the Fourth Proportional to 1,019,584.36, 1,529,277.67 and 309,618.55
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Solution
The fourth proportional to 1,019,584.36, 1,529,277.67 and 309,618.55 is: 464,397.80
Step by Step Solution
- Step 1: Write the proportion equation
1,019,584.36 : 1,529,277.67 = 309,618.55 : x - Step 2: Convert to fraction form
1,019,584.36/1,529,277.67 = 309,618.55/x - Step 3: Cross multiply
1,019,584.36x = 1,529,277.67 × 309,618.55 - Step 4: Simplify right side
1,019,584.36x = 473,492,737,031.40 - Step 5: Solve for x
x = 473,492,737,031.40/1,019,584.36 - Step 6: Final answer
x = 464,397.80
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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.