Finding the Fourth Proportional to 617,971.70, 926,266.35 and 351,859.70
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Solution
The fourth proportional to 617,971.70, 926,266.35 and 351,859.70 is: 527,396.00
Step by Step Solution
- Step 1: Write the proportion equation
617,971.70 : 926,266.35 = 351,859.70 : x - Step 2: Convert to fraction form
617,971.70/926,266.35 = 351,859.70/x - Step 3: Cross multiply
617,971.70x = 926,266.35 × 351,859.70 - Step 4: Simplify right side
617,971.70x = 325,915,800,031.10 - Step 5: Solve for x
x = 325,915,800,031.10/617,971.70 - Step 6: Final answer
x = 527,396.00
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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.